The information systems department of Universal Life Insurance Company wants to determine the proportion of time that

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The information systems department of Universal Life Insurance Company wants to determine the proportion of time that the data entry operator is idle. The following information was gathered randomly using work sampling:

Number of Times Clerk Busy Number of Times Total Number of Date Clerk Idle Observations 13 8/22 11 2 8/23 12 3 15 8/24 1

If the department wants a 99 percent confidence level and a degree of precision of ±0.01, how many more observations are needed?

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Operations Management Processes and Supply Chains

ISBN: 978-0134741062

12th edition

Authors: Lee J. Krajewski, Manoj K. Malhotra, Larry P. Ritzman

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Question Posted: Apr 18, 2019 08:18 AM

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The information systems department of Universal Life Insurance Company wants to determine the proportion of time that

Question:

Number of Times Clerk Busy Number of Times Total Number of Date Clerk Idle Observations 13 8/22 11 2 8/23 12 3 15 8/24 11 3 14 12 8/25 16 8/26 13 14 8/27 13 16 8/28 12 4- 3. CO

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Operations Management Processes and Supply Chains

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