Question: When operating correctly, the items from the production process at the Precision Tool and Die Company have a mean diameter of = 2 . 0
When operating correctly, the items from the production process at the Precision Tool and Die Company have a mean diameter of inches and a standard deviation of sigma inches. The quality control manager shuts down the process for corrective maintenance whenever a random sample of n parts has a sample average diameter greater than inches or less than inches. What is the probability that the quality control manager will stop the process although the production process is operating correctly?
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