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Exercise 2 (10 Points) Consider the hypothesis test Ho: [11 = in against H1: p1 Exercise 2 (10 Points) Consider the hypothesis test Ho :

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Exercise 2 (10 Points) Consider the hypothesis test Ho: [11 = in against H1: p1

Exercise 2 (10 Points) Consider the hypothesis test Ho : = against HI: < with known variances 01 = 8 and 02 = 5. Suppose that sample sizes til = 15 and = 20 and that *1=14.2 and = 19.7. Use a = 0.05. (a) Test the hypothesis and find the P-value. (b) Explain how the test could be conducted with a confidence interval.

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