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.
Essentials of Statistics (5th Edition)
by Triola, Mario F.
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 - Page 251: 25
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