The information systems department of Universal Life Insurance Company wants to determine the proportion of time that
Question:
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:
If the department wants a 99 percent confidence level and a degree of precision of ±0.01, how many more observations are needed?
Transcribed Image Text:
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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Related Book For
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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