(Answered) Question 1 if you use a 005 level of significance in a

Statistics

Question: 1. If you use a 0.05 level of significance in a (two-tail) hypothesis test, what will you decide if the computed value of the test statistic Z is +2.21?

2. If you use a 0.10 level of significance in a (two-tail) hypothesis test, what is your decision rule for rejecting a null hypothesis that the population mean is 500 if you use the Z test?

3. 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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