A random sample of 500 connecting rod pins contains 65 nonconforming units. Estimate the process fraction nonconforming.

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A random sample of 500 connecting rod pins contains 65 nonconforming units. Estimate the process fraction nonconforming. Construct a 90% upper confidence interval on the true process fraction nonconforming. Is it possible that the true fraction nonconforming defective is 10%?
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Managing Controlling and Improving Quality

ISBN: 978-0471697916

1st edition

Authors: Douglas C. Montgomery, Cheryl L. Jennings, Michele E. Pfund

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