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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 23PPS
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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 mak-
ing too many trips to the Dean’s office when the depart-
mental copier is out of service. Sylvia, the departmental

secretary, has been keeping track of failure rates and ser-
vice 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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