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: 3

Answer

a. 0.009 b. 0.227

Work Step by Step

Here P = 0.69 a. $P(none Play) = (1 - 0.69)^{4} = 0.009$ b. $P (All Play) = (0.69)^{4} = 0.227$
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