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Unformatted text preview: c. Suppose samples of size 100 are taken. What are the new control limits? d. Three samples, each of size 100, are taken; the numbers defective are 8, 13, and 3. Is the process in control? What action, if any, should be taken? 3. An apparel manufacturer wishes to set up 3 sigma control limits for the shirt making process. Each shirt has an average of 1 defect. What are the appropriate control limits for the process? 4. A semiconductor is designed to have a life of 1000 50 hours. The manufacturing process produces semiconductors with a mean life of 980 hours and a standard deviation of life of 15 hours. Is the process capable of meeting design specifications? What are your recommendations?...
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- Fall '07