Essentials of Statistics (5th Edition)

Published by Pearson
ISBN 10: 0-32192-459-2
ISBN 13: 978-0-32192-459-9

Chapter 9 - Inferences from Two Samples - Review - Chapter Quick Quiz - Page 471: 3

Answer

0.0414

Work Step by Step

The P is the probability of the z-score being more than 2.04 or less than -2.04 is the sum of the probability of the z-score being less than -2.04 plus 1 minus the probability of the z-score being less than 2.04, hence:P=0.0207+1-0.9793=0.0414.
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