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# Null hypothesis

State whether the standardized test statistic Z indicate that you show reject the null hypothesis. Choose correct answer.

Ho = 1.645

1. For Z = 1.659, should you reject or fail to reject the null hypothesis:
a) Fail to reject Ho because Z > 1.645
b) Reject Ho because Z < 1.645
c) Fail to reject Ho because Z < 1.645
d) Reject Ho because Z > 1.645

2. For Z = 1.491, should you reject or fail to reject the null hypothesis:
a) Fail to reject Ho because Z > 1.645
b) Reject Ho because Z < 1.645
c) Fail to reject Ho because Z < 1.645
d) Reject Ho because Z > 1.645

3. For Z = -1.463, should you reject or fail to reject the null hypothesis:
a) Fail to reject Ho because Z > 1.645
b) Reject Ho because Z < 1.645
c) Fail to reject Ho because Z < 1.645
d) Reject Ho because Z > 1.645

4. For Z = 1.757, should you reject or fail to reject the null hypothesis:
a) Fail to reject Ho because Z > 1.645
b) Reject Ho because Z < 1.645
c) Fail to reject Ho because Z < 1.645
d) Reject Ho because Z > 1.645

#### Solution Summary

The solution gives accurate answers to the multiple choice questions about hypothesis.

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