Essentials of Statistics (5th Edition)

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

Chapter 6 - Normal Probability Distributions - 6-2 The Standard Normal Distribution: 25

Answer

0.2957.

Work Step by Step

The probability of z being larger than 0.25 and smaller than 1.25 is the probability of z being smaller than 1.25 minus the probability of z being smaller than 0.25: 0.8944-0.5987=0.2957.
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