Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as effic

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Efficient Manufacturing Efficiency Experts Study The Processes Used To Manufacture Items In Order To Make Them As Effic 1 (26.47 KiB) Viewed 83 times

Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of the steps used to manufacture a metal clamp involves the drilling of three holes. In a sample of 55 clamps, the mean time to complete this step was 41.3 seconds. Assume that the population standard deviation is a 7 seconds. Round the critical value to no less than three decimal places. Part: 0 / 2 Part 1 of 2 (a) Construct a 99% confidence interval for the mean time needed to complete this step. Round the answer to at least one decimal place. A 99% confidence interval for the mean is <<