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 - Extending the Concepts - Page 226: 55


Yes, the number 0.95 is not possible.

Work Step by Step

As indicated in the figure above, P(E|DW) is the probability of the shaded area. Since P(E)=0.55, the maximum of P(E|DW) is 0.55. The number 0.95 given in the question is not possible.
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