Determine critical region and critical values for z

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Reference no: EM13109701

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: u is (less than or equal) to 22 and Ho:u is > 22 , a = 0.10

(B) Ho:u is (greater than or equal to 62) and Ha : u is < 62, a = 0.05

Reference no: EM13109701

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