A quality-control manager was concerned about variability in the amount of an active ingredient in diarrhea pills

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A quality-control manager was concerned about variability in the amount of an active ingredient in diarrhea pills produced by a particular process. A random sample of 26 pills was taken. What is the probability that the sample variance of the amount of an active ingredient was more than 1.5 times the population variance? What is the probability of an active ingredient being more than 1.5 times the population variance with a sample size of 41?

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Statistics For Business And Economics

ISBN: 9781292315034

9th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

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