Chapter 3 Project Management

CHAPTER3: PROJECTMANAGEMENT TRUE/ FALSE 1. Becht el wassel ect edt or unt hepr oj ectofr est or i ngKuwai t ' soi l f i el dsi nt he1990' sev en t hought hef i r m' scompet i t i v eadv ant agewasi nsuppl ychai nmanagementandl ogi st i cs. Fal se( Gl obal companypr of i l e, easy ) 2. Onephaseofal ar gepr oj ecti sschedul i ng. Tr ue( Thei mpor t anceofpr oj ectmanagement , easy ) 3. Apr oj ector gani zat i onwor ksbestf oranor gani zat i onwhent hepr oj ectr esi desi nonl yone ofi t sf unct i onal ar eas. Fal se( Pr oj ectpl anni ng, moder at e) 4. Byt hei rv er ynat ur e, pr oj ect shav eal i mi t edl i f et i me, andt hatset spr oj ectmanagement apar tf r om t hemanagementofmor et r adi t i onal act i v i t i es. Tr ue( Pr oj ectpl anni ng, moder at e) 5. Oner esponsi bi l i t yofapr oj ectmanageri st omakesur et hatt hepr oj ectmeet si t squal i t y goal s. Tr ue( Pr oj ectpl anni ng, moder at e) 6. Wor kBr eakdownSt r uct ur ei sausef ul t ool i npr oj ectmanagementbecausei taddr esses t het i mi ngofi ndi v i dual wor kel ement s. Fal se( Pr oj ectpl anni ng, moder at e) 7. Pr oj ectmanager shav et hei rowncodeofet hi cs, est abl i shedbyt hePr oj ectManagement I nst i t ut e. Tr ue( Et hi cal i ssuesf acedi npr oj ectmanagement , moder at e) 8. Et hi cal i ssueswhi chcanar i sei npr oj ect si ncl udebi dr i ggi ng, br i ber y , and" l owbal l i ng. " Tr ue( Et hi cal i ssuesf acedi npr oj ectmanagement , easy ) 9. Gant tchar t sgi v eat i mel i nef oreachofapr oj ect ' sact i v i t i es, butdonotadequat el yshow t hei nt er r el at i onshi psofact i v i t i es. Tr ue( Pr oj ectschedul i ng, moder at e) 10. PERT, butnotCPM, hast heabi l i t yt oconsi dert hepr ecedencer el at i onshi psi napr oj ect . Fal se( Pr oj ectschedul i ng, moder at e) 11. Theshor t estofal l pat hst hr ought henet wor ki st hecr i t i cal pat h. Fal se( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 12. Thef undament al di f f er encebet weenPERTandCPM i st hatPERTusest hebet a di st r i but i onf orcr ashi ngpr oj ect swhi l eCPM usescostest i mat es. Fal se( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 13. Sl acki st heamountoft i meanact i v i t ycanbedel ay edwi t houtdel ay i ngt heent i r epr oj ect . XXXVI Tr ue( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 14. Ev er ynet wor khasatl eastonecr i t i cal pat h. Tr ue( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 15. Thecr i t i cal pat hcanbedet er mi nedbyuseofei t hert he" f or war dpass"ort he" backwar d pass. " Fal se( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 16. ThePERTpessi mi st i ct i meest i mat ei sanest i mat eoft hemi ni mum t i meanact i v i t ywi l l r equi r e. Fal se( Pr oj ectmanagementt echni ques: PERTandCPM, easy ) 17. Thest andar ddev i at i onofpr oj ectdur at i oni st heav er ageoft hest andar ddev i at i onofal l act i v i t i esont hecr i t i cal pat h. Fal se( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 18. I nPERTanal y si s, t hei dent i f i cat i onoft hecr i t i cal pat hcanbei ncor r ecti fanoncr i t i cal act i v i t yt akessubst ant i al l ymor et hani t sexpect edt i me. Tr ue( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 19. Shor t eni ngt hepr oj ect ' sdur at i onbydel et i ngunnecessar yact i v i t i esi scal l ed" pr oj ect cr ashi ng. " Fal se( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 20. I npr oj ectmanagement , cr ashi nganact i v i t ymustconsi dert hei mpactonal l pat hsi nt he net wor k. Tr ue( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) MULTI PLECHOI CE 21. Whi choft hef ol l owi ngst at ement sr egar di ngBecht el i st r ue? a.I t scompet i t i v eadv ant agei spr oj ectmanagement . b.Thepr oj ectofr est or i ngKuwai t ' soi l f i el dswasdomi nat edbyl ogi st i cal i ssues. c. TheKuwai t i oi l f i el dr est or at i onusedt hepor tofDubai asacent r al t r ansshi pment poi nt . d.Becht el ' spr ocur ementpr ogr am i sgl obal i nnat ur e. e. Al l oft heabov ear et r ue. e( Gl obal companypr of i l e, moder at e) 22. Whi choft hef ol l owi ngst at ement saboutBecht el i st r ue? a.Ev ent houghBecht el i sov er100y ear sol d, t heKuwai t i oi l f i el dswasi t sf i r st" pr oj ect . " b.Becht el i st hewor l d' spr emi ermanagerofmassi v econst r uct i onandengi neer i ng pr oj ect s. c. Becht el ' scompet i t i v eadv ant agei ssuppl ychai nmanagement . d.Whi l ei t spr oj ect sar ewor l dwi de, i t snet wor kofsuppl i er si sl ar gel yi nt heU. S. e. Al l oft heabov ear et r ue. b( Gl obal companypr of i l e, moder at e) XXXVI I 23. Thephasesofpr oj ectmanagementar e a.pl anni ng, schedul i ng, andcont r ol l i ng b.pl anni ng, pr ogr ammi ng, andbudget i ng c. pl anni ng, or gani zi ng, st af f i ng, l eadi ng, andcont r ol l i ng d.di f f er entf ormanuf act ur i ngpr oj ect st hanf orser v i cepr oj ect s e. GANTT, CPM, andPERT a( Thei mpor t anceofpr oj ectmanagement , easy ) 24. Apr oj ector gani zat i on a.i sef f ect i v ef orcompani eswi t hmul t i pl el ar gepr oj ect s b.i sappr opr i at eonl yi nconst r uct i onf i r ms c. of t enf ai l swhent hepr oj ectcut sacr ossor gani zat i onal l i nes d.i sf or medt oensur et hatpr ogr ams( pr oj ect s)getpr opermanagementandat t ent i on e. aanddar ebot ht r ue e( Pr oj ectpl anni ng, moder at e) 25. Whi choft hef ol l owi ngst at ement sr egar di ngpr oj ectmanagementi sf al se? a.Gant tchar t sgi v eat i mel i nef oreachofapr oj ect ' sact i v i t i es, butdonotadequat el y showt hei nt er r el at i onshi psofact i v i t i es. b.Apr oj ector gani zat i onwor ksbestf orapr oj ectt hati st empor ar ybutcr i t i cal t ot he or gani zat i on. c. Pr oj ector gani zat i onwor kswel l whent hewor kcont ai nssi mpl e, i ndependentt asks. d.Gant tchar t sandPERT/ CPM ar enev erusedt oget her . e. Noneoft heabov ei st r ue. c( Pr oj ectpl anni ng, moder at e) 26. Acodeofet hi csespeci al l yf orpr oj ectmanager s a.hasbeenest abl i shedbyt hePr oj ectManagementI nst i t ut e b.hasbeenf or mul at edbyt heFeder al gov er nment c. hasbeenf or mul at edbyt heWor l dTr adeOr gani zat i on d.i si nappr opr i at e, si nceev er y oneshoul duset hesamegui danceonet hi cal i ssues e. doesnotexi statt hi st i me a( Pr oj ectpl anni ng, moder at e) 27. Di v ul gi ngi nf or mat i ont osomebi dder sonapr oj ectt ogi v et hem anunf ai radv ant age a.i st hesamet hi ngasal t er i ngast at usr epor t b.i sbr i ber y c. i sper mi t t edbyNAFTA d.i sknownasbi dr i ggi ng e. i saccept abl ef orpr i v at ecor por at i onsbutnotf orgov er nmentagenci es d( Pr oj ectpl anni ng, moder at e) 28. Et hi cal i ssuest hatmayar i sei npr oj ect sl ar geandsmal l i ncl ude a.bi dr i ggi ng b.expenseaccountpaddi ng c. compr omi sedsaf et yorheal t hst andar ds d.br i ber y e. Al l oft heabov ear et r ue. e( Pr oj ectpl anni ng, easy ) XXXVI I I 29. Whi choft hef ol l owi ngst at ement sr egar di ngGant tchar t si st r ue? a.Gant tchar t sgi v eat i mel i neandpr ecedencer el at i onshi psf oreachact i v i t yofapr oj ect . b.Gant tchar t suset hef ourst andar dspi nesofMet hods, Mat er i al s, Manpower , and Machi ner y . c. Gant tchar t sar ev i sual dev i cest hatshowt hedur at i onofact i v i t i esi napr oj ect . d.Gant tchar t sar eexpensi v e. e. Al l oft heabov ear et r ue. c( Pr oj ectschedul i ng, moder at e) 30. Whi choft hef ol l owi ngst at ement sr egar di ngcr i t i cal pat hsi st r ue? a.Theshor t estofal l pat hst hr ought henet wor ki st hecr i t i cal pat h. b.Someact i v i t i esont hecr i t i cal pat hmayhav esl ack. c. Ev er ynet wor khasexact l yonecr i t i cal pat h. d.Onaspeci f i cpr oj ect , t her ecanbemul t i pl ecr i t i cal pat hs, al l wi t hexact l yt hesame dur at i on. e. Thedur at i onoft hecr i t i cal pat hi st heav er agedur at i onofal l pat hsi nt hepr oj ect net wor k. d( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 31. Whi choft hef ol l owi ngst at ement sr egar di ngCPM i st r ue? a.Thecr i t i cal pat hi st heshor t estofal l pat hst hr ought henet wor k. b.Thecr i t i cal pat hi st hatsetofact i v i t i est hathasposi t i v esl ack. c. Somenet wor kshav enocr i t i cal pat h. d.Al l act i v i t i esont hecr i t i cal pat hhav et hei rLSequal t hei rpr edecessor ' sEF. e. Al l oft heabov ear ef al se. d( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 32. Asi mpl eCPM net wor khast hr eeact i v i t i es, A, B, andC.Ai sani mmedi at epr edecessorof BandofC.Bi sani mmedi at epr edecessorofC.Theact i v i t ydur at i onsar eA=4, B=3, C=8. a.Thecr i t i cal pat hi sABC, dur at i on15. b.Thecr i t i cal pat hi sAC, dur at i on12. c. Thecr i t i cal pat hi sABC, dur at i on13. 5 d.Thecr i t i cal pat hcannotbedet er mi nedwi t houtknowi ngPERTexpect edact i v i t yt i mes. e. Thenet wor khasnocr i t i cal pat h. a( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 33. Asi mpl eCPM net wor khast hr eeact i v i t i es, D, E, andF.Di sani mmedi at epr edecessorof EandofF.Ei sani mmedi at epr edecessorofF.Theact i v i t ydur at i onsar eD=4, E=3, F=8. a.Thecr i t i cal pat hi sDEF, dur at i on15. b.Thecr i t i cal pat hi sDF, dur at i on12. c. Sl ackatDi s3uni t s d.Sl ackatEi s3uni t s e. Bot haandcar et r ue a( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 34. Asi mpl eCPM net wor khasf i v eact i v i t i es, A, B, C, D, andE.Ai sani mmedi at epr edecessor ofCandofD.Bi sal soani mmedi at epr edecessorofCandofD.CandDar ebot h i mmedi at epr edecessor sofE. XXXI X a.Ther ear et wopat hsi nt hi snet wor k. b.Ther ear ef ourpat hsi nt hi snet wor k. c. Ther ear ef i v epat hsi nt hi snet wor k. d.Ther ear e25pat hst hr ought hi snet wor k. e. Noneoft hesest at ement si st r ue. b( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 35. Act i v i t yDonaCPM net wor khaspr edecessor sBandC, andhassuccessorF.Dhas dur at i on6.B' sear l i estf i ni shi s18, whi l eC' si s20.F' sl at est ar ti s26.Whi choft he f ol l owi ngi st r ue? a.Bi sacr i t i cal act i v i t y . b.Ci scompl et edbef or eB. c. Dhasnosl ackbuti snotcr i t i cal . d.Di scr i t i cal , andhaszer osl ack. e. Al l oft heabov ear et r ue. d( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 36. Whi choft hef ol l owi ngst at ement sr egar di ngCPM net wor ksi st r ue? a.Ther ecanbemul t i pl ecr i t i cal pat hsont hesamepr oj ect , al l wi t hdi f f er entdur at i ons. b.Theear l yf i ni shofanact i v i t yi st hel at estear l yst ar tofal l pr ecedi ngact i v i t i es. c. Thel at est ar tofanact i v i t yi si t sl at ef i ni shpl usi t sdur at i on. d.I faspeci f i cpr oj ecthasmul t i pl ecr i t i cal pat hs, al l oft hem wi l l hav et hesamedur at i on. e. Al l oft heabov ear et r ue. d( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 37. Act i v i t yM onaCPM net wor khaspr edecessor sNandR, andhassuccessorS.M has dur at i on5.N' sl at ef i ni shi s18, whi l eR' si s20.S' sl at est ar ti s14.Whi choft hef ol l owi ngi s t r ue? a.M i scr i t i cal andhaszer osl ack. b.M hasnosl ackbuti snotcr i t i cal . c.Thel astst ar tt i meofSi si mpossi bl e. d.Ni sacr i t i cal act i v i t y . e. Si sacr i t i cal act i v i t y . c( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 38. Whi choft hef ol l owi ngst at ement sconcer ni ngCPM act i v i t i esi sf al se? a.Theear l yf i ni shofanact i v i t yi st heear l yst ar toft hatact i v i t ypl usi t sdur at i on. b.Thel at ef i ni shi st heear l i estoft hel at est ar tt i mesofal l successoract i v i t i es. c. Thel at est ar tofanact i v i t yi si t sl at ef i ni shl essi t sdur at i on. d.Thel at ef i ni shofanact i v i t yi st heear l i estl at est ar tofal l pr ecedi ngact i v i t i es. e. Theear l yst ar tofanact i v i t yi st hel at estear l yf i ni shofal l pr ecedi ngact i v i t i es. d( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 39. Thet i meanact i v i t ywi l l t akeassumi ngv er yunf av or abl econdi t i onsi s a.t heopt i mi st i ct i me b.t hepessi mi st i ct i me c. t heact i v i t yv ar i ance d.t hemi ni mum t i me e. exact l yt wi ceasl ongast heexpect edt i me XL b( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 40. Thecr i t i cal pat hf ort henet wor kact i v i t i esshownbel owi s_ _ _ _ _wi t hdur at i on_ _ _ _ _ _ . Act i v i t y Dur at i on A B C D E 4 2 7 4 5 I mmedi at e Pr edecessor s A A B, C, D a.ABD; 10 b.ABE; 11 c. CE; 12 d.ADE; 13 e. ABCDE; 22 d( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 41. Thecr i t i cal pat hf ort henet wor kact i v i t i esshownbel owi s_ _ _ _ _wi t hdur at i on_ _ _ _ _ _ . Act i v i t y Dur at i on A B C D E 2 4 6 1 2 I mmedi at e Pr edecessor s A, B A, B B, C, D a.ADE; 5 b.BE; 6 c. BDE; 7 d.ACE; 10 e. BCE; 12 e( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 42. The_ _ _ _ _di st r i but i oni susedbyPERTanal y si st ocal cul at eexpect edact i v i t yt i mesand v ar i ances. a.Nor mal b.Bet a c. Al pha d.Gaussi an e. Bi nomi al b( Pr oj ectmanagementt echni ques: PERTandCPM, easy ) XLI 43. Theexpect edact i v i t yt i mei nPERTanal y si si scal cul at edas a.t hesi mpl eav er ageoft heopt i mi st i c, pessi mi st i c, andmostl i kel yt i mes b.t hewei ght edav er ageofa, m, andb, wi t hm wei ght ed4t i mesasheav i l yasaandb c. t hesum oft heopt i mi st i c, pessi mi st i c, andmostl i kel yt i mes d.t hesum oft heopt i mi st i c, pessi mi st i c, andmostl i kel yt i mes, di v i dedbysi x e. t hesum oft heact i v i t yv ar i ances, di v i dedbysi x b( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 44. Thecr i t i cal pat hf ort henet wor kact i v i t i esshownbel owi s_ _ _ _ _wi t hdur at i on_ _ _ _ _ _ . Act i v i t y Dur at i on A B C D E 10 8 2 4 5 I mmedi at e Pr edecessor s A A B, C a.AC; 12 b.ADE; 19 c. BE; 13 d.ABCDE; 29 e. noneoft heabov e b( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 45. Whi choft hef ol l owi ngst at ement sr egar di ngPERTt i mesi st r ue? a.Theopt i mi st i ct i meest i mat ei sanest i mat eoft hemi ni mum t i meanact i v i t ywi l l r equi r e. b.Theopt i mi st i ct i meest i mat ei sanest i mat eoft hemaxi mum t i meanact i v i t ywi l l r equi r e. c. Thepr obabl et i meest i mat ei scal cul at edast=( a+4m +b) . d.Pessi mi st i ct i meest i mat ei sanest i mat eoft hemi ni mum t i meanact i v i t ywi l l r equi r e. e. Mostl i kel yt i meest i mat ei sanest i mat eoft hemaxi mum t i meanact i v i t ywi l l r equi r e. a( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 46. Whi choft hef ol l owi ngst at ement sr egar di ngPERTt i mesi st r ue? a.Ex pect edt i mei sanest i mat eoft het i meanact i v i t ywi l l r equi r ei fev er y t hi nggoesas pl anned. b.Theopt i mi st i ct i meest i mat ei sanest i mat eoft hemaxi mum t i meanact i v i t ywi l l r equi r e. c. Thepr obabl et i meest i mat ei scal cul at edast=( a+4m +b) / 6. d.Pessi mi st i ct i meest i mat ei sanest i mat eoft hemi ni mum t i meanact i v i t ywi l l r equi r e. e. Mostl i kel yt i meest i mat ei sanest i mat eoft hemaxi mum t i meanact i v i t ywi l l r equi r e. c( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 47. TheBet adi st r i but i oni susedi npr oj ectmanagementt o a.cal cul at esl ackonact i v i t i esnotont hecr i t i cal pat h b.cal cul at et hepr obabi l i t yt hatapr oj ectwi l l becompl et edwi t hi ni t sbudget XLI I c. cal cul at epessi mi st i candopt i mi st i cact i v i t yt i mes d.det er mi newhi chact i v i t yshoul dbecr ashed e. noneoft heabov e e( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 48. TheBet adi st r i but i oni susedi npr oj ectmanagementt o a.det er mi newhi chact i v i t yshoul dbecr ashed b.cal cul at et hepr obabi l i t yt hatapr oj ectwi l l becompl et edwi t hi ni t sbudget c. cal cul at eexpect edact i v i t yt i mes d.cal cul at esl ackf oract i v i t i esont hecr i t i cal pat h e. noneoft heabov e c( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 49. I naPERTnet wor k, noncr i t i cal act i v i t i est hathav el i t t l esl ackneedt obemoni t or edcl osel y a.becausePERTt r eat sal l act i v i t i esasequal l yi mpor t ant b.becausenear cr i t i cal pat hscoul dbecomecr i t i cal pat hswi t hsmal l del ay si nt hese act i v i t i es c. becausesl acki sundesi r abl eandneedst obeel i mi nat ed d.becauset heyar ecausi ngt heent i r epr oj ectt obedel ay ed e. becauset heyhav eahi ghr i skofnotbei ngcompl et ed b( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 50. Whi choft hef ol l owi ngst at ement sr egar di ngPERTanal y si si st r ue? a.Eachact i v i t yhast woest i mat esofi t sdur at i on. b.Pr oj ectv ar i ancei st hesum ofal l act i v i t yv ar i ances. c. Pr oj ectst andar ddev i at i oni st hesum ofal l cr i t i cal act i v i t yst andar ddev i at i ons. d.Onl ycr i t i cal act i v i t i escont r i but et ot hepr oj ectv ar i ance. e. Noneoft heabov ei st r ue. d( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 51. Apr oj ectbei nganal y zedbyPERThas60act i v i t i es, 13ofwhi char eont hecr i t i cal pat h.I f t heest i mat edt i meal ongt hecr i t i cal pat hi s214day swi t hapr oj ectv ar i anceof100, t he pr obabi l i t yt hatt hepr oj ectwi l l t ake224day sormor et ocompl et ei s a.nearzer o b.0. 0126 c. 0. 1587 d.0. 8413 e. 2. 14 c( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 52. Anact i v i t yonaPERTnet wor khast heset i meest i mat es: opt i mi st i c=2, mostl i kel y=5, andpessi mi st i c=10.I t sexpect edt i mei s a.5 b.5. 33 c. 5. 67 d.17 e. noneoft hese b( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) XLI I I 53. Anact i v i t yonaPERTnet wor khast heset i meest i mat es: opt i mi st i c=1, mostl i kel y=2, andpessi mi st i c=5.I t sexpect edt i mei s a.2 b.2. 33 c. 2. 67 d.8 e. noneoft hese b( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 54. Anact i v i t yonaPERTnet wor khast heset i meest i mat es: opt i mi st i c=2, mostl i kel y=3, andpessi mi st i c=8.I t sexpect edt i meandv ar i ance( i fi ti sacr i t i cal act i v i t y )ar e a.3. 67; 1 b.3. 67; 6 c. 4. 33; 1 d.4. 33; 6 e. noneoft hese a( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 55. Al ocal pr oj ectbei nganal y zedbyPERThas42act i v i t i es, 13ofwhi char eont hecr i t i cal pat h.I ft heest i mat edt i meal ongt hecr i t i cal pat hi s105day swi t hapr oj ectv ar i anceof25, t hepr obabi l i t yt hatt hepr oj ectwi l l becompl et edi n95day sorl essi s a.0. 4 b.0. 0228 c. 0. 3444 d.0. 9772 e. 4. 2 b( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 56. Apr oj ectbei nganal y zedbyPERThas38act i v i t i es, 16ofwhi char eont hecr i t i cal pat h.I f t heest i mat edt i meal ongt hecr i t i cal pat hi s90day swi t hapr oj ectv ar i anceof25, t he pr obabi l i t yt hatt hepr oj ectwi l l becompl et edi n88day sorl essi s a.0. 0228 b.0. 3446 c. 0. 6554 d.0. 9772 e. 18 b( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 57. APERTpr oj ecthas45act i v i t i es, 19ofwhi char eont hecr i t i cal pat h.Theest i mat edt i me f ort hecr i t i cal pat hi s120day s.Thesum ofal l act i v i t yv ar i ancesi s64, whi l et hesum of v ar i ancesal ongt hecr i t i cal pat hi s36.Thepr obabi l i t yt hatt hepr oj ectcanbecompl et ed bet weenday s108and120i s a.2. 00 b.0. 0227 c. 0. 1058 d.0. 4773 e. 0. 9773 d( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) XLI V 58. Acont r act or ' spr oj ectbei nganal y zedbyPERThasanest i mat edt i mef ort hecr i t i cal pat h of120day s.Thesum ofal l act i v i t yv ar i ancesi s81; t hesum ofv ar i ancesal ongt hecr i t i cal pat hi s64.Thepr obabi l i t yt hatt hepr oj ectwi l l t ake130ormor eday st ocompl et ei s a.0. 1056 b.0. 1335 c. 0. 8512 d.0. 8943 e. 1. 29 a( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 59. Anal y si sofaPERTpr obl em showst heest i mat edt i mef ort hecr i t i cal pat ht obe108day s wi t hav ar i anceof64.Ther ei sa. 90pr obabi l i t yt hatt hepr oj ectwi l l becompl et edbef or e appr oxi mat el yday_ _ _ _ _ _ . a.98 b.108 c. 109 d.115 e. 118 e( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 60. Apr oj ectwhosecr i t i cal pat hhasanest i mat edt i meof120day swi t hav ar i anceof100 hasa20%chancet hatt hepr oj ectwi l l becompl et edbef or eday_ _ _ _ _ _( r oundedt onear est day ) . a.98 b.112 c. 120 d.124 e. 220 b( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 61. Apr oj ectwhosecr i t i cal pat hhasanest i mat edt i meof820day swi t hav ar i anceof225 hasa20%chancet hatt hepr oj ectwi l l becompl et edbef or eday_ _ _ _ _ _( r oundedt onear est day ) . a.631 b.689 c. 807 d.833 e. 1009 c( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) XLV 62. Cont r actr equi r ement sst at et hatapr oj ectmustbecompl et edwi t hi n180wor ki ngday s, or i twi l l i ncurpenal t i esf orl at ecompl et i on.Anal y si soft heact i v i t ynet wor kr ev eal san est i mat edpr oj ectt i meof145wor ki ngday swi t hapr oj ectv ar i anceof400.Whati st he pr obabi l i t yt hatt hepr oj ectwi l l becompl et edbef or et hel at epay mentdeadl i ne? a.0. 0401 b.0. 4599 c. 0. 8056 d.0. 9599 e. near1. 0000, oral mostcer t ai n d( Pr oj ectmanagementt echni ques: PERTandCPM, di f f i cul t ) 63. Whi choft hesest at ement sr egar di ngt i mecostt r adeof f si nCPM net wor ksi st r ue? a.Cr ashi ngi snotpossi bl eunl esst her ear emul t i pl ecr i t i cal pat hs. b.Cr ashi ngapr oj ectof t enr educest hel engt hofl ongdur at i on, butnoncr i t i cal , act i v i t i es. c. Act i v i t i esnotont hecr i t i cal pat hcannev erbeont hecr i t i cal pat h, ev enaf t ercr ashi ng. d.Cr ashi ngshor t enst hepr oj ectdur at i onbyassi gni ngmor er esour cest ooneormor eof t hecr i t i cal t asks. e. Noneoft heabov ei st r ue. d( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 64. Whi choft hef ol l owi ngst at ement sr egar di ngpr oj ectmanagementi st r ue? a.Bot hPERTandCPM r equi r et hatnet wor kt askshav eunchangi ngdur at i ons. b." Pr oj ectcr ashi ng"shor t ensapr oj ectbyassi gni ngmor er esour cest oatl eastone cr i t i cal t ask c. Cr ashi ngneednotconsi dert hei mpactofcr ashi nganact i v i t yonot herpat hsi nt he net wor k. d.Pr oj ectcr ashi ngi sanopt i mi zi ngt echni que. e. Cr ashcostdependsupont hev ar i anceoft heact i v i t yt obecr ashed. b( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 65. Whi choft hef ol l owi ngst at ement sr egar di ngt i mecostt r adeof f si nCPM net wor ksi sf al se? a." Pr oj ectCr ashi ng"shor t enspr oj ectdur at i onbyassi gni ngmor er esour cest ocr i t i cal t asks. b.Cr ashi ngsomet i meshast her ev er ser esul tofl engt heni ngt hepr oj ectdur at i on. c. Cr ashi ngmustconsi dert hei mpactofcr ashi nganact i v i t yonal l pat hsi nt henet wor k. d.Act i v i t i esnotont hecr i t i cal pat hcanbecomecr i t i cal af t ercr ashi ngt akespl ace. e. Al l oft heabov ear et r ue. b( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 66. I fanact i v i t ywhosenor mal dur at i oni s13day scanbeshor t enedt o10day sf oranadded costof$1, 500, t hecr ashcostperper i odi s a.$500 b.$750 b.$1, 500 d.$13, 000 e. $15, 000 a( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) XLVI 67. Twoact i v i t i esar ecandi dat esf orcr ashi ngonaCPM net wor k.Act i v i t ydet ai l sar ei nt he t abl ebel ow.Tocutonedayf r om t hepr oj ect ' sdur at i on, act i v i t y_ _ _ _ _shoul dbecr ashed f i r st , addi ng_ _ _ _ _ _t opr oj ectcost . Act i v i t y One Two Nor mal Ti me Nor mal Cost Cr ashDur at i on Cr ashCost 8day s $6, 000 6day s $6, 800 10day s $4, 000 9day s $5, 000 a.One; $400 b.One; $6, 800 c. Two; $1, 000 d.Two; $5, 000 e. Oneort woshoul dbecr ashed; $1, 400 a( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 68. I fanact i v i t ywhosenor mal dur at i oni s15day scanbeshor t enedt o10day sf oranadded costof$2, 000, t hecr ashcostperper i odi s a.$400 b.$2, 000 c. $10, 000 d.$20, 000 e. $30, 000 a( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 69. Anet wor khasbeencr ashedt ot hepoi ntwher eal l act i v i t i esar ecr i t i cal .Addi t i onal cr ashi ng a.i sunnecessar y b.i si mpossi bl e c. i spr ohi bi t i v el yexpensi v e d.mayr equi r ecr ashi ngmul t i pl et askssi mul t aneousl y e. canbedone, butal l cr i t i cal t asksmustber educedi ndur at i on d( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 70. Twoact i v i t i esar ecandi dat esf orcr ashi ngonaCPM net wor k.Act i v i t ydet ai l sar ei nt he t abl ebel ow.Tocutonedayf r om t hepr oj ect ' sdur at i on, act i v i t y_ _ _ _ _shoul dbecr ashed f i r st , addi ng_ _ _ _ _ _t opr oj ectcost . Act i v i t y B C Nor mal Ti me Nor mal Cost Cr ashDur at i on Cr ashCost 4day s $6, 000 3day s $8, 000 6day s $4, 000 4day s $6, 000 XLVI I a.B; $2, 000 b.B; $8, 000 c. C; $1, 000 d.C; $2, 000 e. C; $6, 000 c( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) FI LLI NTHEBLANK 71. _ _ _ _ _ _ _ _ _ _ _ _i sanor gani zat i onf or medt oensur et hatpr ogr ams( pr oj ect s)r ecei v et he pr opermanagementandat t ent i on. Pr oj ector gani zat i on( Pr oj ectpl anni ng, easy ) 72. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _di v i desapr oj ecti nt omor eandmor edet ai l edcomponent s. Wor kbr eakdownst r uct ur eorWBS( Pr oj ectpl anni ng, moder at e) 73. The_ _ _ _ _ _ _ _ _ _ _ _ _ _ _hasest abl i shedacodeofet hi csespeci al l yf orpr oj ectmanager s. Pr oj ectManagementI nst i t ut e, ( Pr oj ectpl anni ng, easy ) 74. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _i sanet wor kt echni queusi ngonl yonet i mef act orperact i v i t yt hatenabl es manager st oschedul e, moni t or , andcont r ol l ar geandcompl expr oj ect s. Cr i t i cal pat hmet hodorCPM ( Pr oj ectmanagementt echni ques: PERTandCPM, easy ) 75. Adi agr am ofal l act i v i t i esandt hepr ecedencer el at i onshi pst hatexi stbet weent hese act i v i t i esi napr oj ecti sa( n)_ _ _ _ _ _ _ _ _ _ _ _ _ . net wor k( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 76. The_ _ _ _ _ _ _ _ _ _ _ _i st hecomput edl ongestt i mepat h( s)t hr oughanet wor k. cr i t i cal pat h( Pr oj ectmanagementt echni ques: PERTandCPM, easy ) 77. Thenet wor kanal y si smet hodt hatal l owsact i v i t yt i mest ov ar yi s_ _ _ _ _ _ _ _ _ _ _ _ _ . PERTorPr ogr am Ev al uat i onandRev i ewTechni que( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 78. _ _ _ _ _ _ _ _ _ _ _ _ _ _i st heamountoft i meani ndi v i dual act i v i t yi nanet wor kcanbedel ay ed wi t houtdel ay i ngt heent i r epr oj ect . Sl ackt i me( Pr oj ectmanagementt echni ques: PERTandCPM, easy ) 79. The_ _ _ _ _ _ _ _ _ _ _ _ _ _di st r i but i oni sappr opr i at ef orcal cul at i ngexpect edact i v i t yt i mesand act i v i t yv ar i ancesi nPERTnet wor ks. Bet a( Pr oj ectmanagementt echni ques: PERTandCPM, easy ) 80. _ _ _ _ _ _ _ _ _ _ _ _ _i sdecr easi ngact i v i t yt i mei nanet wor kt or educet i meont hecr i t i cal pat hso t ot al compl et i ont i mei sr educed. Cr ashi ng( Cost t i met r adeof f sandpr oj ectcr ashi ng, easy ) SHORTANSWER XLVI I I 81. Whatar et het hr eephasesofapr oj ect ?Descr i beeachi nasent enceort wo. Thet hr eephasesar epl anni ng, schedul i ng, andcont r ol l i ng.Pl anni ngi ncl udesgoal set t i ng, def i ni ngt hepr oj ect , andt eam or gani zat i on.Schedul i ngr el at espeopl e, money , and suppl i est ospeci f i cact i v i t i esandr el at esact i v i t i est oeachot her .Cont r ol l i ngi swher et he f i r m moni t or sr esour ces, cost s, qual i t y , andbudget s.I tal sor ev i sesorchangespl ansand shi f t sr esour cest omeett i meandcostdemands.( I nt r oduct i on, moder at e) 82. Li stt her esponsi bi l i t i esofpr oj ectmanager s. Pr oj ectmanager sar edi r ect l yr esponsi bl ef ormaki ngsur et hat( 1)al l necessar yact i v i t i es ar ef i ni shedi npr opersequenceandont i me; ( 2)t hepr oj ectcomesi nwi t hi nbudget ; ( 3) t hepr oj ectmeet si t squal i t ygoal s; and( 4)t hepeopl eassi gnedt ot hepr oj ectr ecei v et he mot i v at i on, di r ect i on, andi nf or mat i onneededt odot hei rj obs.( Pr oj ectpl anni ng, moder at e) 83. Whati sapr oj ector gani zat i on? Apr oj ector gani zat i oni saf or m ofmanagementsot hatpeopl eandot herr esour cesar e pool edf oral i mi t edamountoft i met ocompl et easpeci f i cgoal orpr oj ect .( Pr oj ect pl anni ng, moder at e) 84. I thasbeensai dt hatWBSandGant tchar t sar eeachusef ul t ool s, butnei t heri s" compl et e" f ormanagi ngpr oj ect s.Whati smi ssi ngf r om onet hati spr esenti nt heot hersot hatt he t wot ool sar ecompl ement ar y ?Di scuss. WBSdeal swi t hact i v i t ydet ai l s, whi l eGant tchar t sdeal mor ewi t hact i v i t yt i mi ng.The f or meranswer squest i onsaboutwhati st obedone, andt hel at t eranswer squest i ons aboutwhent asksar edone.Nei t herdoesanadequat ej obwi t ht aski nt er r el at i onshi ps. ( Pr oj ectpl anni ngandpr oj ectschedul i ng, moder at e) 85. Whatar esomeoft heet hi cal i ssuesf acedbypr oj ectmanager s?Whi choft hesear el i kel y t ooccurbef or eapr oj ectbegi ns, whi char el i kel yt ooccurwhi l et hepr oj ecti sunder way , andwhi chmayoccuraf t erapr oj ecti scompl et e?I l l ust r at eanyoneoft hesef r om r ecent news. Apr oj ectmanager , t r y i ngt osel ectf i r mst ounder t akeapr oj ect , mi ghtbeexposedt obi d r i ggi ng, l owbal l i ng, orbr i ber yont hepar toff i r mscompet i ngf orbusi ness.Onceapr oj ect i sunder way , expenseaccountpaddi ng, useofsubst i t ut e( subst andar d)mat er i al s, or i gnor i ngr egul at or yr equi r ement sar epossi bl e.Thosewhor epor toncompl et edpr oj ect s mi ghtnotbet r ut hf ul aboutt hepr oj ect ' ssuccess( consi dert hemassi v echangest hatt ook pl aceatNASAaf t ert woshut t l edi sast er s, andnot et hev er yr ecentf ai l ur eoft heFBI ' s Car ni v or esof t war e)( Pr oj ectpl anni ngandpr oj ectschedul i ng, moder at e) 86. Li standdescr i bebr i ef l yeachoft hepur posesofpr oj ectschedul i ng. I tshowst her el at i onshi pofeachact i v i t yt oot her sandt ot hewhol epr oj ect .I ti dent i f i es t hepr ecedencer el at i onshi pamongact i v i t i es.I tencour agest heset t i ngorr eal i st i ct i me andcostest i mat esf oreachact i v i t y .I thel psmakebet t eruseofpeopl e, money , and mat er i al r esour cesbyi dent i f y i ngcr i t i cal bot t l enecksi nt hepr oj ect .( Pr oj ectschedul i ng, moder at e) 87. Whati st heobj ect i v eofcr i t i cal pat hanal y si s? Cr i t i cal pat hanal y si sdet er mi nest hel ongestpat ht hr oughanet wor kofact i v i t i es.Thi s l ongestpat hi st hekeyt omaki ngt heschedul et hatpr ov i desf orcompl et i ngal l act i v i t i es i nt heshor t estt i me.Cr i t i cal pat hanal y si si dent i f i est hoseact i v i t i escr i t i cal t ot i mel y compl et i onofal l act i v i t i essot heycanr ecei v emanagementf ocus.( Pr oj ectmanagement XLI X t echni ques: PERTandCPM, moder at e) 88. Expl ai nwhyt hecr i t i cal pat hi st hel ongest , nott heshor t est , pat ht hr oughanet wor k. Cr i t i cal pat hi st hatsetofact i v i t i esi napr oj ectnet wor kt hatcont r ol st hedur at i onoft he ent i r epr oj ect .Thecont r ol l i ngel ementt ocompl et i onofal l act i v i t i esi st hel ongestpat h; anyshor t erpat hwi l l notal l owf oral l act i v i t i est obecompl et ed.( Pr oj ectmanagement t echni ques: PERTandCPM, moder at e) 89. Def i nesl ack. Sl acki st heamountoft i meanact i v i t ycanbedel ay edwi t houtdel ay i ngt heent i r epr oj ect , assumi ngi t spr ecedi ngact i v i t i esar ecompl et edasear l yaspossi bl e.( Pr oj ect managementt echni ques: PERTandCPM, moder at e) 90. Li st , i nor der , t hesi xst epsbasi ct obot hPERTandCPM. 1.Def i net hepr oj ectandpr epar et heWBS. 2.Dev el opt her el at i onshi psamongt heact i v i t i es. 3.Dr awt henet wor kconnect i ngal l oft heact i v i t i es. 4.Assi gnt het i meand/ orcostest i mat est oeachact i v i t y . 5.Comput et hecr i t i cal pat h—t hel ongestt i mepat ht hr ought henet wor k. 6.Uset henet wor kt ohel ppl an, schedul e, moni t or , andcont r ol t hepr oj ect . ( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 91. Whati st hebasi cdi f f er encebet weenPERTandCPM? Thebasi cdi f f er encebet weenPERTandCPM i st hatPERTr equi r est hr eet i meest i mat es ofact i v i t ycompl et i ont i me, wher easCPM usesonl yasi ngl eest i mat e.( Pr oj ect managementt echni ques: PERTandCPM, moder at e) 92. PERTcal cul at i onst y pi cal l yi ncl udet hedur at i onv ar i anceofeachact i v i t y .Whati st he pur poseoft hi scal cul at i on—what ’ st her ol eofv ar i ancesi nPERTanal y si s? Theact i v i t yv ar i ancesi nf l uencet hepr obabi l i t yofpr oj ectcompl et i on.Speci f i cal l y , t hesum oft hev ar i ancesoft hecr i t i cal t asksequal st hev ar i anceoft hepr oj ect .Fur t her , l ar ge v ar i ancesonnoncr i t i cal t asksneedt obemoni t or ed.Suchanact i v i t ymi ghthav eanact ual compl et i ont i mesol ar get hatt het askbecomesacr i t i cal t ask.( Pr oj ectmanagement t echni ques: PERTandCPM, moder at e) 93. Descr i bet hedi f f er encesbet weenaGant tchar tandaPERT/ CPM net wor k. Thedi f f er encesbet weenaGant tchar tandaPERT/ CPM net wor kar emai nl yt hat PERT/ CPM hast heabi l i t yt oconsi derpr ecedencer el at i onshi psandi nt er dependenceof act i v i t i es.( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 94. Br i ef l ydi scusswhati smeantbycr i t i cal pat hanal y si s.Whatar ecr i t i cal pat hact i v i t i esand whyar et heyi mpor t ant ? Thecr i t i cal pat hconsi st soft hoset askst hatdet er mi net heov er al l pr oj ectcompl et i on t i me( ort hatwi l l del ayt hecompl et i onoft hepr oj ecti ft heyar edel ay ed) ; t hesemustbe managedmostcl osel yt oensur et i mel ycompl et i onoft hepr oj ect .Cr i t i cal pat hanal y si si s t hedet er mi nat i onofwhi cht askel ement sar eon, orl i kel yt obeon, t hecr i t i cal pat h( t he l ongestpat ht hr ought henet wor k) .( Det er mi ni ngt hepr oj ectschedul e, moder at e) L 95. Whatar et heear l i estact i v i t yst ar tt i meandl at estact i v i t yst ar tt i me, andhowar et hey comput ed? Theear l i estst ar tt i mei st heear l i estt i meatwhi chanact i v i t ymayst ar tandst i l l sat i sf yal l pr ecedencer equi r ement s.Thel at estst ar tt i mei st hel at estt i meatwhi chanact i v i t ymay st ar tandst i l l sat i sf ybot hpr ecedencer equi r ement sandt heov er al l pr oj ectcompl et i on t i me.( Det er mi ni ngt hepr oj ectschedul e, moder at e) 96. Howi st heexpect edcompl et i ont i meofapr oj ectact i v i t y , andofaPERTpr oj ect , comput ed? Theexpect edcompl et i ont i meofapr oj ectact i v i t yusest heBet adi st r i but i on; expect ed t i mei st hewei ght edav er ageofopt i mi st i c, mostl i kel y , andpessi mi st i ct i meest i mat es. Expect edcompl et i onofaPERTpr oj ecti st hesum oft heexpect edt i mesf ori ndi v i dual act i v i t i est hatar eont hecr i t i cal pat h.( Det er mi ni ngt hepr oj ectschedul e, moder at e) 97. Descr i bet hepr ocessof" cr ashi ng"aCPM pr oj ect .Expl ai nt hepur poseofcr ashi ng anal y si s. Pr oj ectcr ashi ngi sshor t eni ngt hepr oj ectbyassi gni ngmor er esour cest ooneormor eof t hecr i t i cal t asks.Cr ashi ngi snotanopt i mi zi ngt echni que, butat r adeof ft echni que. Manager scandeci dewhet hert of i ni shl at erbutcheaper , orear l i erbutmor eexpensi v el y . Onceadeci si onhasbeenmadet ocr ashapr oj ect , t hi st echni quepoi nt st ot hecheapest wayt osav eauni toft i meont hepr oj ect .( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 98. Br i ef l ydescr i bet heconceptofcost / t i met r adeof fandhowi ti sused. Cost / t i met r adeof fi sf undament al l yPERTwi t haddi t i onal i nf or mat i onpr ov i dedt hat enabl esonet omoni t orandcont r ol pr oj ectcostandt ost udypossi bl ecost / t i met r adeof f s.Thi scanbedonebymaki ngabudgetf ort heent i r epr oj ectusi ngt heact i v i t ycost est i mat esandbymoni t or i ngt hebudgetast hepr oj ectt akespl ace.Usi ngt hi sappr oach, wecandet er mi net heext entt owhi chapr oj ecti si ncur r i ngacostov er r unoracost under r un.I naddi t i on, wecanuset hesamet echni quet odet er mi net heext entt owhi cha pr oj ecti saheadofschedul eorbehi ndschedul e.( Cost t i met r adeof f sandpr oj ect cr ashi ng, moder at e) LI 99. Whatar et headv ant agesofusi ngPERTandCPM? Theadv ant agesi ncl udei t susef ul nessatv ar i ousst agesoft hepr oj ect , i t sst r ai ght f or war d concept , i t sgr aphi cal di spl ay sofr el at i onshi psbet weenact i v i t i es, i t scr i t i cal pat hand sl ackt i meanal y si s, i t sabi l i t yt odocumentpr ocesses, i t swi der angeofappl i cabi l i t y , and i t susef ul nessi nmoni t or i ngschedul esandcost s.( Acr i t i queofPERTandCPM, moder at e) PROBLEMS 100.Consi dert henet wor kpi ct ur edbel ow. a.Enumer at eal l pat hst hr ought hi snet wor k. b.Cal cul at et hecr i t i cal pat hf ort henet wor k. c.Whati st hemi ni mum dur at i onoft hepr oj ect ? d.Howmuchsl ackexi st sateachact i v i t y ? ( a)Possi bl epat hsar ePS( l engt h22) , PRT( l engt h28) , andQT( l engt h21) .( b) Thel ongestoft hese, PRT, i st hecr i t i cal pat h, at28t i meuni t s.( c)Ther ei sno sl ackatP, R, orTsi ncet hesear ecr i t i cal t asks.Shas6uni t ssl ack, si ncet hepat h i ti sont ot al sonl y22uni t s, compar edt ot hecr i t i cal pat hl engt hof28.Qhas7 uni t sofsl acksi ncei ti sona21l engt hpat h, 7l esst hant hemaxi mum.( Pr oj ect managementt echni ques: PERTandCPM, moder at e) LI I 101.Anet wor kconsi st soft heact i v i t i esi nt hef ol l owi ngl i st .Ti mesar egi v eni nweeks. Act i v i t y A B C D E F Pr ecedi ng A A, B C D Ti me 8 3 7 3 4 6 a.Dr awt henet wor kdi agr am. b.Cal cul at et heES, EF, LS, LF, andSl ackf oreachact i v i t y . c. Whati spr oj ectcompl et i ont i me? ( a) ( b, c) Resul t s Task A B C D E F Ear l y St ar t 0 0 8 8 15 11 Pr oj ect Ear l y Fi ni sh 8 3 15 11 19 17 19 Lat e St ar t 0 7 8 10 15 13 Lat e Fi ni sh 8 10 15 13 19 19 Sl ack 0 7 0 2 0 2 ( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) LI I I 102.Thenet wor kbel owr epr esent sapr oj ectbei nganal y zedbyCr i t i cal Pat hMet hods.Act i v i t y dur at i onsar eA=12, B=2, C=12, D=3, E=5, F=1, G=7, H=2, I =10, andJ=6. a.Whatt askmustbeont hecr i t i cal pat h, r egar dl essofact i v i t ydur at i ons? b.Whati st hedur at i onofpat hABEHJ? c.Whati st hecr i t i cal pat hoft hi snet wor k? d.Whati st hel engt hoft hecr i t i cal pat h? e.Whati ssl ackt i meatact i v i t yH? f .Whati st heLat eFi ni shofact i v i t yH? g.I fact i v i t yCwer edel ay edbyt wot i meuni t s, whatwoul dhappent ot hepr oj ectdur at i on? ( a)J; ( b)18; ( c)ABGI J; ( d)30; ( e)5; ( f )24; ( g)noi mpact . Resul t s Task A B C D E F G H I J Ear l y St ar t 0 5 5 0 7 3 7 17 14 24 Pr oj ect Ear l y Fi ni sh 5 7 17 3 12 4 14 19 24 30 30 Lat e St ar t 0 5 10 10 17 13 7 22 14 24 Lat e Fi ni sh 5 7 22 13 22 14 14 24 24 30 Sl ack 0 0 5 10 10 10 0 5 0 0 ( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) LI V 103.Anet wor kconsi st soft hef ol l owi ngl i st .Ti mesar egi v eni nweeks. Act i v i t y A B C D E F G H I J K Pr ecedi ng Dur at i on 9 2 A 12 A 5 A 6 B 8 B 3 C, F 2 D 8 H 6 G, I 2 E, J a.Dr awt henet wor kdi agr am. b.Whi chact i v i t i esf or mt hecr i t i cal pat h? c. Howmuchsl ackexi st satact i v i t i esAandF? d.Whati st hedur at i onoft hecr i t i cal pat h? ( a)Net wor kdi agr am ( b)pat hsADHI JKandACGJKar ecr i t i cal ; ( c)Ahasnosl ack; Fhas2uni t s( d)32 ( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) 104.Apar t i al l ysol v edPERTpr obl em i sdet ai l edi nt het abl ebel ow.Ti mesar egi v eni nweeks. Act i v i t y Pr ecedi ng Opt i mi st i c Ti me A B C D E F A A A B B 7 2 8 3 4 6 Pr obabl e Pessi mi st i Expect ed Ti me c Ti me Ti me 9 14 2 8 12 16 5 10 6 8 8 10 LV Var i ance 1. 361 0 0 1. 361 0 0 G H I J K C, F D H G, I E, J 2 2 6 4 2 3 2 8 6 2 4 8 16 14 5 0 1. 000 2. 778 2. 778 0. 250 a. Cal cul at et heexpect edt i mef oreachact i v i t y .Ent ert hesev al uesi nt heappr opr i at e col umni nt het abl eabov e. b.Whi chact i v i t i esf or mt hecr i t i cal pat h? c. Whati st heest i mat edt i meoft hecr i t i cal pat h? d.Whatar et hepr oj ectv ar i anceandt hepr oj ectst andar ddev i at i on? e. Whati st hepr obabi l i t yofcompl et i onoft hepr oj ectaf t erweek40? ( a)A=9. 5B=3C=12D=5. 5E=6F=8G=3H=3I =9J=7K=2. 5 ( b)ADHI JK; ( c)36. 5; ( d)9. 53, 3. 09; ( e)0. 13. ( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) LVI 105.Consi dert henet wor kdescr i bedi nt het abl ebel ow. Act i v i t y J K L M N O P I mmedi at e Pessi mi st Pr obabl Opt i mi st i Pr edecessor i c e c ( s) 15 10 8 9 8 7 10 6 5 J 3 3 3 J 9 5 1 K, M 10 7 4 K, M 10 8 3 L, N a.Cal cul at et heexpect eddur at i onofeachact i v i t y . b.Cal cul at et heexpect eddur at i onandv ar i anceoft hecr i t i cal pat h. c.Cal cul at et hepr obabi l i t yt hatt hepr oj ectwi l l becompl et edi nf ewert han30t i meuni t s. ( a)Seet abl ebel ow.( b)TasksJMNPar ecr i t i cal .Thesum oft hei rexpect eddur at i onsi s 26. 00; t hesum oft hei rv ar i ancesi s3. 056.( c)Thest andar ddev i at i onal ongt hepat hi s= 2. 12; t hepr obabi l i t yt hatDur at i on<30i st hepr obabi l i t yt hatz<( 30-26. 00) / 2. 12=1. 89. Theassoci at ednor mal cur v ear eai s0. 97062. Task J K L M N O P Ear l y St ar t 0 0 10. 5 10. 5 13. 5 13. 5 18. 5 Pr oj ect Ear l y Fi ni sh 10. 5 8 17 13. 5 18. 5 20. 5 26 26 Lat e St ar t 0 5. 5 19. 5 10. 5 13. 5 19 18. 5 Lat e Fi ni sh 10. 5 13. 5 26 13. 5 18. 5 26 26 LVI I Sl ack Mean Var i ance 0 10. 51. 361111 5. 5 8 9 6. 5 0 3 0 0 51. 777778 5. 5 7 0 7. 51. 361111 Pr oj ect 4. 5 St d. dev 2. 12132 ( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) LVI I I 106.Thenet wor kbel owr epr esent sapr oj ectbei nganal y zedbyCr i t i cal Pat hMet hods.Act i v i t y dur at i onsar ei ndi cat edont henet wor k. a.I dent i f yt heact i v i t i esont hecr i t i cal pat h. b.Whati st hedur at i onoft hecr i t i cal pat h? c.Cal cul at et heamountofsl ackt i meatact i v i t yH. d.I fact i v i t yIwer edel ay edbyt ent i meuni t s, whatwoul dbet hei mpactont hepr oj ect dur at i on? ( a)Cr i t i cal act i v i t i esar eACJK; ( b)Thecr i t i cal pat hi s26t i meuni t s; ( c)Sl ackatHi s9 uni t s; ( d)Ihas11uni t ssl ackat enuni tdel aywoul dhav enoi mpactont hepr oj ect . Task A B C D E F G H I J K Ear l ySt ar t 0 0 5 0 3 4 3 4 10 16 22 Pr oj ect Ear l yFi ni sh 5 3 16 4 10 10 7 7 15 22 26 26 Lat eSt ar t 0 6 5 9 9 15 17 13 21 16 22 Lat eFi ni sh 5 9 16 13 16 21 21 16 26 22 26 ( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) LI X Sl ack 0 6 0 9 6 11 14 9 11 0 0 107.Thr eeact i v i t i esar ecandi dat esf orcr ashi ngonaCPM net wor k.Act i v i t ydet ai l sar e i nt het abl ebel ow. Act i v i t y X Y Z Nor mal Ti me 8day s 3day s 12day s Nor mal Cost $6, 000 $1, 800 $5, 000 Cr ashDur at i on 6day s 2day s 9day s Cr ashCost $8, 000 $2, 400 $7, 700 a.Whati st hecr ashcostperuni tt i mef oreachoft het hr eeact i v i t i es? b.Whi chact i v i t yshoul dbecr ashedf i r stt ocutonedayf r om t hepr oj ect ' sdur at i on; how muchi saddedt opr oj ectcost ? c.Whi chact i v i t yshoul dbet henextact i v i t ycr ashedt ocutaseconddayf r om t hepr oj ect ' s dur at i on; howmuchi saddedt opr oj ectcost ? ( a)cr ashcostX=$1, 000perday ; cr ashcostY=$600perday; cr ashcostZ=$900per day ( b)sel ectY, addi ng$600; ( c)sel ectZ, addi ng$900 ( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) 108.Thr eeact i v i t i esar ecandi dat esf orcr ashi ngonaCPM net wor k.Act i v i t ydet ai l sar e i nt het abl ebel ow. Act i v i t y A B C Nor mal Ti me 9day s 5day s 12day s Nor mal Cost $8, 000 $2, 000 $9, 000 Cr ashDur at i on 7day s 3day s 11day s Cr ashCost $12, 000 $10, 000 $12, 000 a.Whati st hecr ashcostperuni tt i mef oract i v i t yA? b.Whati st hecr ashcostperuni tt i mef oract i v i t yB? c.Whi chact i v i t yshoul dbecr ashedf i r stt ocutonedayf r om t hepr oj ect ' sdur at i on; how muchi saddedt opr oj ectcost ? d.Whi chact i v i t yshoul dbet henextact i v i t ycr ashedt ocutaseconddayf r om t hepr oj ect ' s dur at i on; howmuchi saddedt opr oj ectcost ? e.Assumi ngnoot herpat hsbecomecr i t i cal , howmuchcant hi spr oj ectbeshor t enedat whatt ot al addedcost ? ( a)$2, 000; ( b)$4, 000; ( c)A, $2, 000; ( d)Aagai n, $2, 000addi t i onal ; ( e)5day s, $15, 000. ( Cost t i met r adeof f sandpr oj ectcr ashi ng, moder at e) LX 109.Anet wor kconsi st soft hef ol l owi ngl i st .Ti mesar egi v eni nweeks. Act i v i t y A B C D E F G H Pr ecedi ng Opt i mi st i c Pr obabl e Pessi mi st i c 5 11 14 3 3 9 6 10 14 3 5 7 A, B 4 6 11 B 6 8 13 C 2 4 6 D, E 3 3 9 F a.Dr awt henet wor kdi agr am. b.Cal cul at et heexpect eddur at i onandv ar i anceofeachact i v i t y . c. Cal cul at et heexpect eddur at i onandv ar i anceoft hecr i t i cal pat h. d.Cal cul at et hepr obabi l i t yt hatt hepr oj ectwi l l becompl et edi nl esst han28weeks. ( a) ( b, c) Expect ed Task t i me A 10. 5 B 4 C 10 D 5 E 6. 5 F 8. 5 G 4 H 4 Pr oj ect 22. 5 Var i ance 2. 25 1 1. 778 0. 444 1. 361 1. 361 0. 444 1 St d.dev . Sl ack 1. 5 3 1 8 1. 333 0 0. 667 3 1. 167 8 1. 167 0 0. 667 3 1 0 Pr oj ect St d.dev . ( d)z=( 2822. 5) / 2. 03=2. 71, ( P<=28)=. 997 ( Pr oj ectmanagementt echni ques: PERTandCPM, moder at e) LXI Var i ance 1. 778 1. 361 1 4. 139 2. 034