Question: 4. A Quality Analyst wants to construct a control chart for determining whether four machines, all producing the same product, are under control with regard

4. A Quality Analyst wants to construct a control chart for determining whether four machines, all producing the same product, are under control with regard to a particular quality attribute. Accordingly, she inspected 1,000 units of output from each machine in random samples, with the following results: What are the control chart upper and lower control limits for z=1.96 ? A. .0272 and .0128 B. .0287 and .0113 C. .029 and .013 D. .0303 and .0097 E. 0332 and .0068

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