Question: Consider the test Ho: u =70 versus Ha: u = 70 using a large %3D sample of n = 400. Assume the standard deviation

Consider the test Ho: u =70 versus Ha: u = 70 using

Consider the test Ho: u =70 versus Ha: u = 70 using a large %3D sample of n = 400. Assume the standard deviation is 20 the %3D mean = 72.5. a) Find the test statistic b) Find the p value c) If alpha = .05, do you reject or fail to reject the null %3D hypothesis?

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