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Mathematics, 14.03.2020 04:55 katiekern5207

Using a one-tail test to determine whether the average time is takes to run a mile is GREATER than 9 minutes, what critical value should be used given a significance level of .10 using your sample of 40 observations? And what would you conclude to the hypothesis test? (reject the null or fail to reject the null?)a. z = 1.645b. t = -1.303c. t = 1.303d. z = -1.645

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