Elementary Statistics: A Step-by-Step Approach with Formula Card 9th Edition

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: 27

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
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