Question: Exercise 1 (10 Points) Consider the hypothesis test Ho: [.11 = it; against H1: m at p; with known variances 01 = 8 and 02

Exercise 1 (10 Points) Consider the hypothesis test Ho: [.11 = it; against H1: m at p; with known variances 01 = 8 and 02 = 5. Suppose that sample sizes n1 = 15 and n; = 20 and that 921: 4.7 and X2 = 7.8. Use a = 0.05. (a) Test the hypothesis and find the Pvalue. (b) Explain how the test could be conducted with a confidence interval

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