Independent random samples of n1 = 800 and n2 = 640 observations were selected from binomial populations
Question:
a. Find a 90% confidence interval for the difference (p1 - p2) in the two population proportions. Interpret the interval.
b. What assumptions must you make for the confidence interval to be valid? Are these assumptions met?
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a b Calculate p 1 x n 337800 42 ...View the full answer
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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