Find the Rejection Region for the Specified Hypothesis Test $\mathrm { H } _ { 0 } : \mu = 9$

question 134

Multiple Choice

Find the rejection region for the specified hypothesis test.
-Consider a test of $\mathrm { H } _ { 0 } : \mu = 9$ . For the following case, give the rejection region for the test in terms of the $z$ -statistic: $\mathrm { H } _ { \mathrm { a } } : \mu < 9 , \alpha = 0.01$

• A) \(z < - 2.575\)
• B) \(\mathrm { z } < - 2.33\)
• C) \(z < 2.575\)
• D) \(z > - 2.33\)

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