Answer
0.2
Work Step by Step
Let P(A) = Student Takes Calculus
P(B) = Student is on Dean's List = 0.21
Given P(A∩B) = 0.042
P(A|B) = P(A∩B)/P(B)
= 0.042/0.21
= 0.2
Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition
by Bluman, Allan
Published by
McGraw-Hill Education
ISBN 10:
0078136334
ISBN 13:
978-0-07813-633-7
Chapter 4 - Probability and Counting Rules - 4-3 The Multiplication Rules and Conditional Probability - Exercises 4-3 - Page 224: 27
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