SOLUTION: 13. A rivet is to be inserted into a hole. A random sample of parts is selected, and the hole diameter is measured. The sample standard deviation of the hole diameter measurement

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Question 589492: 13. A rivet is to be inserted into a hole. A random sample of parts is selected, and the hole diameter is measured. The sample standard deviation of the hole diameter measurements is 0.008 millimeters.
(i) Find a 99% confidence interval for .
(ii) Find a 95% upper confidence bound for the mean if .

Answer by stanbon(75887) About Me  (Show Source):
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