Establish p-chart to monitor the production process

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Reference no: EM131722231

Acme Company manufactures widgets. The company wants to establish a p-chart to monitor the production process using Z = 3.00. The company has taken a sample of 50 widgets every 4 hours for a workweek of five days. Since the company runs two 8-hour shifts each day, this will result in 20 samples. The sample results are shown to right. Which of the following statements is correct: I. The UCL = .127 II. The LCL = 0 III. The UCL = .043 IV. The process is not in statistical control a. I and II b. I, II, and IV c. I and III d. I, III, and IV Sample Defective Sample Defective 1 0 11 2 2 3 12 3 3 0 13 3 4 4 14 3 5 0 15 4 6 0 16 3 7 1 17 3 8 2 18 4 9 1 19 3 10 0 20 3.

Reference no: EM131722231

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