Answer
Mean: .4
Standard deviation: .049
Work Step by Step
Since the sample is large, the central limit shows the sampling distribution is normal.
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 371: 15.41a
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