Answer
a. P(A) = 0.36
P(B|A) = 0.87
P(A and B ) =$ P(A) \times P(B|A) $
$= 0.36 \times 0.87$
=0.3132
b. P(B) = 0.53
P(A|B) = 0.22
P(A and B ) =$ P(B) \times P(A|B) $
$= 0.53 \times 0.22$
=0.1166
Work Step by Step
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Introductory Statistics 9th Edition
by Mann, Prem S.
Published by
Wiley
ISBN 10:
1-11905-571-7
ISBN 13:
978-1-11905-571-6
Chapter 4 - Section 4.4 - Intersection of Events and the Multiplication Rule - Exercises - Page 155: 4.47
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