Let n1 = 100, X1 = 45, n2 = 50, and X2 = 25. a. At the
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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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Related Book For
Basic Business Statistics Concepts And Applications
ISBN: 9780132168380
12th Edition
Authors: Mark L. Berenson, David M. Levine, Timothy C. Krehbiel
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