Using the traditional formula, a 95% CI for p1 2 p2 is
Chapter 9, Problem 58(choose chapter or problem)
Using the traditional formula, a 95% CI for p1 - p2 is to be constructed based on equal sample sizes from the two populations. For what value of n (= m) will the resulting interval have a width at most of .1, irrespective of the results of the sampling?
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