Let n1, = 100, X, = 45, n2 = 50, and X2 = 25. a. At the

Question:

Let n1, = 100, X, = 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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