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A random sample of 200 printed circuit boards contains 18 defective or nonconforming units. Estimate the process fraction nonconforming. (a) Test the hypothesis that the true fraction nonconforming in this process is 0.10. Use a = 0.05. Find the P-value.

A random sample of 200 printed circuit boards contains 18 defective or nonconforming units. Estimate the process fraction nonconforming.
(a) Test the hypothesis that the true fraction nonconforming in this process is 0.10. Use a = 0.05. Find the P-value.
(b) Construct a 90% two-sided confidence interval on the true fraction nonconforming in the production process.

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a p 0 0 10 0 05 Test H 0 p 0 1 0 ve r su s H 1 p 0 1 0 Reject H 0 i f Z 0 Z 2 np 0 2 00 …View the full answer


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Introduction to Statistical Quality Control

Introduction to Statistical Quality Control

ISBN: 978-1118146811

7th edition

Authors: Douglas C Montgomery

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Posted Date: November 06, 2015 03:07:40
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