Question: Refer to Exercise 9.1. Suppose that the observed value of the test statistic was z = 2.16. For the rejection regions constructed in parts a

Refer to Exercise 9.1. Suppose that the observed value of the test statistic was z = 2.16. For the rejection regions constructed in parts a and b of Exercise 9.1, draw the appropriate conclusion for the tests. If appropriate, give a measure of the reliability of your conclusion.
Exercise 9.1
Find the appropriate rejection regions for the large-sample test statistic z in these cases:
a. A right-tailed test with α = .01
b. A two-tailed test at the 5% significance level.

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