Let n1, = 100, X, = 45, n2 = 50, and X2 = 25. a. At the
Question:
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 H 0 H 1 Decision rule If Z 258 or Z 258 reject H 0 058 Decis...View the full answer
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Related Book For 
Statistics For Managers Using Microsoft Excel
ISBN: 9780133130805
7th Edition
Authors: David M. Levine, David F. Stephan, Kathryn A. Szabat
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