University:
Kentucky State University
Course:
MAT 120 | Precalculus
Academic year:

2022
Views:

346

Pages:

2
Author:

Nesbyenvkk

UNlVERSITY OF JORDAN DEPTOF MATH '.\tlATH 131 EXAM2 DATE: 1817/2012 TIME: 60 MIN Student Na me: -------------------------------------- Stude nt Number: -------- Inst ru c tor Nam c: - ---------------------------------- Section Number: --------- *********************' x** ******~ ~*f,..***********************k***** * For Questions (l)-(5) X - in(l O,t) o~ Geometric(p = ~~1en (I) P( x ~ _ru1~IC2J.-;: ___'.JYS~_,_1Jf ;::_~,~J'.g_J EC x = _____ QgJ[,_~LlL~J)___ j-__[toJL~J] ____ :::__~-------------P(Y ;;:: 2)= ______ _L_~ ___ Q_:_f____ ::.,_l 0 ~) _________________________________________ (2) P(J (3) C4) = 4) = ___T{!d):::. ___fQ -~----0_:_~_>-3-=-~-~-i:-?:..=_)9__'-_i_~~_} ____ ___ * For __'._'Jl__-;2L::'._~J![f_ 60) - ____ '' ill • • ., X9 - N(50, rr 2 ) . If the sample standard J?.{_~-->-----~~;~;,t,__:=__!_:g_fJ~{-9..:.~S") .h~ ~ perccnI .lie of -X .IS c f\ 1 o-l--f;/-[---·3---';1----z l I It.13 } _ ,-· 6-7::.•.:::.__i . s-1 ) ----v-'-O--+~'- * For Question (l 7}: Let X1, X2• . value of e is adc =fn____;-'-t-~-41------------------------------------------;___ _ 89 .' ( I 5) P( X 01 ::> • ., X-> N(50, 25 ). If P(S 2 5 c) =~then the --------f£-1'~--~--}~-::----t32.c.)___::_~,'.1..S:::~--'.~L<'.,:;: if.sQ 1:::f-:- l-/ ( * For Question (18-19}: !t is known that 6Jfo"of the male students arc smoki ng. \ In a sample of size 100, let p be the c;amplc proport ion. ( 18) The standard deviation of ; (I 9) fa; > 0. 7) - =---ft ;~L.i2----:::..(b_,_J2!1.j\___________________ ----¥~--2:.2..;.~lj''f':;;;_'?.:.P_Y_)__.;;:__}_.,,___,__ ~_]:_'[_3_..::;o (ijjjjJ - ? ' ' - - -- -- - - - ,,.. " • For Q ues tio n (20): Let X- N( I0, 9) and Y - N(8, I 6) be two independent ra~ variables. Then P(x - Y -~ &· )(ft/u ~~ 0. t!tl/ 8.1

Math Exam 2 2020

Related Documents

Recommended Documents

Description

Related Documents

Free up your schedule!

Take 5 seconds to unlock