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: 17

Answer

0.0005 This event is very unlikely to occur as the probability is very small.

Work Step by Step

Here iPods are sold without replacement, hence: P(All three are defective) = 3/24 x 2/23 x 1/22 = 0.125 x 0.0870 x 0.0455 = 0.0005 This event is very unlikely to occur as the probability is very small.
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