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Only answer a & b in the simplest explanation please. 36. A test is made of Ho: / = 14 versus H1 : M #

Only answer a & b in the simplest explanation please.

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36. A test is made of Ho: / = 14 versus H1 : M # 14. A sample of size n = 48 is drawn, and x = 12. The population standard deviation is 6 = 6. a. Compute the value of the test statistic z. b. Is Ho rejected at the a = 0.05 level? c. Is Ho rejected at the a = 0.01 level

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