In a test of the hypothesis H0: μ = 50 versus HA: μ > 50 a sample of n = 40 observations was found to have mean ??̅= 58 and standard deviation s = 25. a. Give the definition of a p-value. b. Calculate the p-value for this test. c. Can you reject the null hypothesis at the 10% level of significance? at the 5% level of significance? at the 1% level of significance?

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