#### 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.

Published by
Pearson

ISBN 10:
0-32192-459-2

ISBN 13:
978-0-32192-459-9

The null hypothesis says:mean=0, the alternative hypothesis says: $mean\ne0$.

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