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 - Page 225: 37

Answer

a. $0.172$ b. $0.828$

Work Step by Step

a. None has ever been married $p=0.703^5=0.172$ b. At least 1 has been married $p=1-0.172=0.828$
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