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Cyco Cyco
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6 years ago
A p-chart has been developed for a particular item. In the past, 4% of such items have been found to be defective. If a sample of 100 is taken, and 9 of these are found to be defective, should the process be considered out of control based on 99.7% control limits? Explain.
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Quantitative Analysis for Management

Quantitative Analysis for Management


Edition: 12th
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#1
6 years ago
If 99.7% control limits are developed, they are as follows: LCL = 0 (-.02) UCL = 0.10. Since 9% is in this range, the process is not out of control.
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