A time study of a factory worker has revealed an average observed time of 3.20 minutes, with

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A time study of a factory worker has revealed an average observed time of 3.20 minutes, with a standard deviation of 1.28 minutes. These figures were based on a sample of 45 observations. Is this sample adequate in size for the firm to be 99%

confident that the standard time is within {5% of the true value?

If not, what should be the proper number of observations? lop25

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Operations Management Sustainability And Supply Chain Management

ISBN: 9781292295039

13th Global Edition

Authors: Jay Heizer, Barry Render, Chuck Munson

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Question Posted: Jul 05, 2024 10:03 AM

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A time study of a factory worker has revealed an average observed time of 3.20 minutes, with

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Operations Management Sustainability And Supply Chain Management

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