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QUESTION
Consider a hypothesis test concerning a population mean from a normal population with H 0 : = 47.9 , H a : gt; 47.9 , n = 16 , and = 18 .
2. Write the rejection region corresponding to α= 0.05 .
Z⩽−1.6449
Z⩾1.6449
Z⩾|1.6449|
