Answer
The null hypothesis says:mean=0, the alternative hypothesis says: $mean\ne0$.
Work Step by Step
The null hypothesis says that the mean is equal to 0, whilst the alternative hypothesis says that the mean is not equal to 0.
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 8 - Hypothesis Testing - Review - Chapter Quick Quiz - Page 426: 1
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