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Mathematics, 06.03.2020 08:33, Jermlew
The manager of the service department of a local car dealership has noted that the service times of a sample of 30 new automobiles has a standard deviation of 6 minutes. A 95% confidence interval estimate for the standard deviation of the service times for all their new automobiles is
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The manager of the service department of a local car dealership has noted that the service times of...
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