University:
California State University, Northridge
Course:
MATH 340 | Introduction to Probability and Statistics
Academic year:

2014
Views:

63

Pages:

2
Author:

Evan Reese

MATH 340, Quiz 2 g�� Name: (print) ____________________ Each problem is worth 2 points. Show-··alf your work. 1. (a) In an experiment, die is rolled repeatedly until a 6 appears, at which point the experiment stops. Describe the sample space of this experiment. (b) Let En denote the event that n rolls are necessary to complete the experiment. What points of the sample space are in En ? What is ( U� 1 En ) c? (a..) {xf.--;Xz1 t),,____ S:=[(6), {x.t.:J); f/ <;?e.:i + � a& ( >G,t.. ' X.2. r �<4l-t>t/A.A.L /(.-. jov-➔ r - .. : x� e-/-t- .• r;;) } r(x.!J ><.i ... )} .=::. I 11 b r's h.evre.r 03. /0'' rolk ✓ r 1 � 2. A pair of fair dice is rolled. Find the probability that the second die lands on a higher value than· does the first. I/� -1 -i. .'it "� .1 l 9/ 1'sicl;·e "i I... (\) � J �l--�-+---11---ii---i i� � c.116 s;-� (I 6 /2..,,,. l_ ({::::' IJ. Ou-t' _. Lf,2) 7 g 6 1ont'?t/ ��J 6 �r,� --1-o �� dt�/ 7 � ,r��> go -kc'/ eoyyeyz� -1-o .J � e.v/lA,(..f -==-. >•$ I.S-- G {2 v,*''e > die / -1' Sr - Please turn over...