Let n 1 = 100, X 1 = 45, n 2 = 50, and X 2 =

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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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Statistics For Managers Using Microsoft Excel

ISBN: 9780135969854

9th Edition

Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat

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