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Answer the given question with complete solutions. f2. Consider the following null and alternative hypothesis. H:u = 120 versus Hau >120 A random sample of

Answer the given question with complete solutions.

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\f2. Consider the following null and alternative hypothesis. H:u = 120 versus Hau >120 A random sample of 81 observations taken from this population produced a sample mean of 123.5 sample standard deviation of 15. If this test is made at 2.5 % significance level, would you reject the null hypothesis

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