Find the critical value(s) and rejection region(s) for the type of z-test with l

Question

Find the critical value(s) and rejection region(s) for the type of z-test with level of significance alpha. Include a graph with your answer. Two-tailed test, alpha = 0.01 The critical value(s) is/are z = (Round to two decimal places as needed. Use a comma to separate answers as needed.) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to two decimal places as needed.) A. The rejection region is z Choose the correct graph of the rejection region below.

Explanation / Answer

Given levele of significance is 0.01, two tailed test

1) Z critical values are Z = +/- invNorm(0.01) = +/- 2.58

2) The rejection regions are Z < -2.58 and Z > 2.58 ( answer is option B)

3) Since, it is a two tailed test we have the rejection region as shown in the option D

so, Answer is option D

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