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For a Sample of 36 Items from a Population for Which

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For a sample of 36 items from a population for which the standard deviation α=12\alpha = 12 the sample mean is 350.Use the 95% confidence interval to test the hypothesis H0: μ\mu = 400 versus H1: μ≠\mu \neq 400 at the α\alpha = .05 level of significance.

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Since the hypothesized value o...

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