Determine the critical region and critical values


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 = 10 and ,Ha:μ ≠ 10 α = 0.05

(B) Ho:μ ≤ 12 and ,Ha:μ ?12 α = 0.10

(C) Ho:μ ≥ 18 and , Ha:μ ?18 α = 0.01

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Basic Statistics: Determine the critical region and critical values
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