A manufacturing process produces steel rods in batches of 1,000. The firm believes that the percent of

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A manufacturing process produces steel rods in batches of 1,000. The firm believes that the percent of defective items generated by this process is 5%.

a. Construct the centerline and the upper and lower control limits for the p chart.

b. An engineer inspects the next batch of 1,000 steel rods and finds that 6.2% are defective. Is the manufacturing process under control? Explain.

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Essentials Of Business Statistics Communicating With Numbers

ISBN: 9780078020544

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Authors: Sanjiv Jaggia, Alison Kelly

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Question Posted: Jan 28, 2015 09:59 AM

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A manufacturing process produces steel rods in batches of 1,000. The firm believes that the percent of

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a Centerline UCL LCL b Since 0062 ...View the full answer

Essentials Of Business Statistics Communicating With Numbers

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