Question: Refer to Exercise 21.17. Find the average run length to detect the shift. A firm that manufactures notebook computers uses statistical process control to monitor

Refer to Exercise 21.17. Find the average run length to detect the shift.

A firm that manufactures notebook computers uses statistical process control to monitor all its production processes. For one component, the company draws samples of size 10 every 30 minutes. The company makes 4,000 of these components per hour. The control limits of the x chart are set at 3 standard errors from the mean. When the process goes out of control, it usually shifts the mean by .75 standard deviation.

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