Consider two independent binomial experiments. In the first one, 40 trials had 10 successes. In the second

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Consider two independent binomial experiments. In the first one, 40 trials had 10 successes. In the second one, 50 trials had 15 successes.
(a) Is it appropriate to use a normal distribution to approximate the 1 - 2 distribution? Explain.
(b) Find a 90% confidence interval for p1 - p2.
(c) Based on the confidence interval you computed, can you be 90% confident that p1 is less than p2? Explain.
Distribution
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Understanding Basic Statistics

ISBN: 9781111827021

6th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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