Question: statistics help anyone? Efficient manufacturing: Efficiency experts study the processes used to manufacture items in order to make them as efficient as possible. One of

statistics help anyone?

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 50 clamps, the mean time to complete this step was 47.5 seconds. Assume that the population standard deviation is o = 7 seconds. Part: 0 / 2 Part 1 of 2 (a) Construct a 98% confidence interval for the mean time needed to complete this step. Round the answer to at least one decimal place. A 98% confidence interval for the mean is

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