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Steps in Hypothesis testing for critical region and critical values

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12. Determine the critical region and critical values for z that would be used to test the null hypothesis at the given level of significance, as described in each of the following:

A) Ho: µ ≤ 22 and Ho: µ > 22, α = 0.10
B) Ho: µ &#8805; 62 and Ho: µ < 62, &#945; = 0.05
C) Ho: µ = 65 and Ho: µ &#8800; 65, &#945; = 0.01

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Step by step method for computing critical values are given in the answer.

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