The Management Department recently purchased a smallcopier for faculty use. Although the workload of the officestaff has improved somewhat, the secretaries are still making too many trips to the Dean’s office when the departmental copier is out of service. Sylvia, the departmentalsecretary, has been keeping track of failure rates and service times. With a mean time between failures of 100 hoursand a mean time to repair of 24 hours, how much of thetime is the new copier available for faculty use?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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The Management Department recently purchased a small
copier for faculty use. Although the workload of the office
staff has improved somewhat, the secretaries are still making too many trips to the Dean’s office when the departmental copier is out of service. Sylvia, the departmental
secretary, has been keeping track of failure rates and service times. With a mean time between failures of 100 hours
and a mean time to repair of 24 hours, how much of the
time is the new copier available for faculty use?

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