Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 6 - Normal Probability Distributions - 6-2 The Standard Normal Distribution - Basic Skills and Concepts: 5

Answer

0.75

Work Step by Step

The probability is the area under the line(p(x)=0.2) in the interval 1.25 to 5:$(5-1.25)\cdot 0.2=0.75.$
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