MidSouth Tool Company produces an aircraft part. The company can produce the part entirely at a flexible work center with computerized machines. The company has four work centers, all of which have different machines. Each work center has a single operator however the company€™s operators have different skill levels and levels of experience with the machines, resulting in different levels of daily output and product quality. The following tables show the average daily output and average number of defects per day for each of the company€™s five operators at each of the work centers.

The company wants to determine which operator to assign to each machine to maximize daily output and keep the percentage of defects to less than 4%. Formulate and solve thisproblem.

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Average Daily Output per Center Operator 21 17 18 19 20 24 15 17 16 21 19 23 21 21 Average Number of Defects Daily per Center Operator 0.4 0.7 0.8 0.9 0.6 0.9 0.5 1.3 0.8 0.9 0.3 0.8 0.6 1.2 0.6 4 1.0