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QUESTION 3 Let H_0: mean = 100 vs. H1: mean different from 100. We obtain the following result by empirical study: sample mean = 103,
QUESTION 3 Let H_0: mean = 100 vs. H1: mean different from 100. We obtain the following result by empirical study: sample mean = 103, population standard deviation = 9 sample size n=81. Is H_0 rejected by a two-tailed test for significance level at alpha = 0.05? Remember that if Z has a standard normal distribution then Pr (Z 1.96)=0.025. QUESTION 3 Let H_0: mean = 100 vs. H1: mean different from 100. We obtain the following result by empirical study: sample mean = 103, population standard deviation = 9 sample size n=81. Is H_0 rejected by a two-tailed test for significance level at alpha = 0.05? Remember that if Z has a standard normal distribution then Pr (Z 1.96)=0.025
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