The graph to the right portrays the decision criterion for a hypothesis test for

Question

The graph to the right portrays the decision criterion for a hypothesis test for a population mean H. The null hypothesis for the test is Ho: H uo. The curve in the graph is the normal curve for the test statistic under the assumption that the null hypothesis is true. Complete parts (a) through (f) below. a. Determine the rejection region. O A. z 2.3265 O B. z 2.326 O C. z 22.326 O D. zs 2.326 or z 22.326 b. Determine the nonrejection region. O A. z 22.326 O B. z 2.3265 Do not reject Ho Reject I Ho 0.0 2.326

Explanation / Answer

a.) Since, Null hypothesis is H0: µ = µ0. The equality of the critical value will remain the non rejection region. Hence, the rejection region will be z > 2.326

b.) As already explained the previous part, The equality of the critical value will remain the non rejection region. Hence, The non rejection region will be z 2.326

c.) Critical value can be easily seen in the graph, it is equal to 2.326

d.) is written in the graph. = 0.01. Hence, the significance level is (1 - ) = 0.99 or 99%

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