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Assuming 12=22, use a significance level of =.05 test to the null hypothesis H0: 1 - 2 = 0 against the alternative H1: 1 - 2 > 0. Does the test reject H0? B. Test the null hypothesis H0: 12/22 =1 against the alternative hypothesis H1: 12/22 > 1 at significance level =.05, and determine whether the test rejects H0.

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