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please explain in detail You wish to test the claim that u * 20 at a level of significance of a = 0.05 and are

please explain in detail

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You wish to test the claim that u * 20 at a level of significance of a = 0.05 and are given sample statistics n=35 and xbare19.1, and sigma-2.7. Compute the value of the test statistic. Round your answer to two decimal places. A) -1.83 B) -2.86 CJ -1.97 DJ -3.12

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