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Consider a test of H 0: μ = 8. For the following case, give the rejection...

Consider a test of H 0: μ = 8. For the following case, give the rejection region for the test in terms of the  z-statistic: H a: μ > 8, α = 0.10

A. z > 1.28

B. |z| > 1.28

C. |z| > 1.645

D. z > 1.96

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Answer #1

Solution:

Given that,

This is right tailed test,

provided, the significance level is α = 0.10, and the critical value for a right-tailed test is Zc = 1.28

The rejection region is, z > 1.28


Option A is correct.
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