Question: Consider a normally distributed process that cuts wood with a process center of 32 inches and a standard deviation of 0.20 inches. The lower specification
Consider a normally distributed process that cuts wood with a process center of 32 inches and a standard deviation of 0.20 inches. The lower specification limit is 31.516 inches, and the upper specification limit is 32.42 inches. A piece of wood that is cut too short must be re-cut by hand at a cost of $14.00. A piece of wood that is cut too long must be re-cut by hand at a cost of $3.80. The firm runs 24,000 pieces of wood through the machine per day and works 350 days per year. What is the annual expected fixing cost of this process?
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