Answer
In part a, we saw that µ > 100 and in part b we fail to reject null hypothesis that µ = 100. The results differ as the alternative hypothesis $µ \ne 100$ may not hold in some samples.
Work Step by Step
Given above
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 8 - Inferences Based on a Single Sample - Exercises 8.20 - 8.37 - Learning the Mechanics - Page 364: 8.23c
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