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SCENARIO 8-2
A quality control engineer is interested in the mean length of sheet insulation being cut automatically by machine.The desired mean length of the insulation is 12 feet.It is known that the standard deviation in the cutting length is 0.15 feet.A sample of 70 cut sheets yields a mean length of 12.14 feet.This sample will be used to obtain a 99% confidence interval for the mean length cut by machine.
-Referring to Scenario 8-2,the confidence interval goes from_____ to_____ .
Lung Cancer
A type of cancer that begins in the lungs, often associated with smoking tobacco, but also caused by exposure to pollutants, radon gas, and asbestos.
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