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: 45


a. $0.332$ b. $0.668$

Work Step by Step

a. None of the 5 was family and children’s $p=(1-0.198)^5=0.332$ b. At least 1 of the 5 was family and children’s This is the complement of (a): $1-0.332=0.668$
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