Solved: Determine a confidence interval for population proportion, Operation Management

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Determine a confidence interval for population proportion

Assignment:

A new product is being tested by Zed Electronics to determine if it will continue to operate in a stable fashion under a variety of conditions. A sample of 400 items items were tested, and 60 failed the test. Determine a 90 percent confidence interval for the population proportion.

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Operation Management: Determine a confidence interval for population proportion

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