Let n1 = 100, X1 = 50, n2 = 100, and X2 = 30. a. At the
Question:
a. At the 0.05 level of significance, is there evidence of a significant difference between the two population proportions?
b. Construct a 95% confidence interval estimate for the difference between the two population proportions.
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a p 1 X 1 n 1 50 100 050 p 2 X 2 n 2 30 100 030 And pbar X 1 X 2 n 1 n 2 50 30 100 100 040 ...View the full answer
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Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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