If the decision is to reject the null hypothesis of no difference - 6661

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If the decision is to reject the null hypothesis of no difference between two population parameters, z distribution at the .01 significant level, what is the correct statement of the alternate hypothesis and rejection region? 

A.   µ1 ≠ µ2 ; z > 1.96 and z < negative 1.96 

B.   µ1 > µ2; z < negative 2.33 

C.   µ1 > µ2; z > 2.33 

D.   µ1 ≠ µ2 ; z > 2.58 and z < negative 2.58

 
Solution Description

If the decision is to reject the null hypothesis of no difference between two population parameters, z distribution at the .01 significant level, what is the cor