Answer
See below.
Work Step by Step
The sample is small and the results for a small sample are not reliable if the population is not normal. However, no information is given about the population distribution.
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 20 - Inference about a Population Mean - Chapter 20 Exercises - Page 480: 20.41c
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