Question 517463
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) H0:µ=79 and Ha:µ≠79, a=.01
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2-tail test ; CV = z = +/-2.5758
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(B) H0:µ&#8805;53 and Ha:µ<53, a=.05
right tail test: CV = z = 1.6449
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(C) H0:µ&#8804;54 and Ha:µ>53, a=.10
right tail test: CV = z = 1.645
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Cheers,
Stan H.
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