MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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 30 pills was taken. What is the probability that the sample variance of the amount of an active ingredient was more than 1.6 times the population variance? What is the probability of an active ingredient being more than 1.6 times the population variance with a sample size of 41? Click the icon to view a table of lower critical values for the chi-square distribution. Click the icon to view a table of upper critical values for the chi-square distribution.
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Transcribed Image Text: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 30 pills was taken. What is the probability that the sample variance of the amount of an active ingredient was more than 1.6 times the population variance? What is the probability of an active ingredient being more than 1.6 times the population variance with a sample size of 41? Click the icon to view a table of lower critical values for the chi-square distribution. Click the icon to view a table of upper critical values for the chi-square distribution.
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