Question: What is your decision in Problem 9.4 if Z STAT = -2.61? In Problem 9.4 If you use a 0.01 level of significance in a

What is your decision in Problem 9.4 if ZSTAT = -2.61?

In Problem 9.4

If you use a 0.01 level of significance in a two-tail hypothesis test, what is your decision rule for rejecting H0: μ = 12.5 if you use the Z test?

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