Question: Let n1 = 100, X1 = 45, n2 = 50, and X2 = 25. a. At the 0.01 level of significance, is there evidence of

Let n1 = 100, X1 = 45, n2 = 50, and X2 = 25.
a. At the 0.01 level of significance, is there evidence of a significant difference between the two population proportions?
b. Construct a 99% confidence interval estimate for the difference between the two population proportions.

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a p 1 X 1 n 1 45 100 045 p 2 X 2 n 2 25 50 050 And pbar X 1 X 2 n 1 n 2 45 25 100 50 0467 H ... View full answer

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