Answer
.0256
Work Step by Step
Using a z-test:
P(T > 4500) = P(X > 4500/22) = P(z >1.95) = P(z < -1.95) = .0256
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 15 - Sampling Distributions - Chapter 15 Exercises - Page 370: 15.36
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