The Riverton Police Department has eight patrol cars thatare on constant call 24 hours per day. A patrol car requires repairs every 30 days, on average, according to an exponen-tial distribution. When a patrol car is in need of repair it is driven into the motor pool, which has a repairperson on duty at all times. The average time required to repair a pa-trol car is 12 hours (exponentially distributed). Determine the average time a patrol car is not available for use and theaverage number of patrol cars out of service at any onetime, and indicate if the repair service seems adequate.
The Riverton Police Department has eight patrol cars thatare on constant call 24 hours per day. A patrol car requires repairs every 30 days, on average, according to an exponen-tial distribution. When a patrol car is in need of repair it is driven into the motor pool, which has a repairperson on duty at all times. The average time required to repair a pa-trol car is 12 hours (exponentially distributed). Determine the average time a patrol car is not available for use and theaverage number of patrol cars out of service at any onetime, and indicate if the repair service seems adequate.
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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Question
The Riverton Police Department has eight patrol cars that
are on constant call 24 hours per day. A patrol car requires
repairs every 30 days, on average, according to an exponen-
tial distribution. When a patrol car is in need of repair it is
driven into the motor pool, which has a repairperson on
duty at all times. The average time required to repair a pa-
trol car is 12 hours (exponentially distributed). Determine
the average time a patrol car is not available for use and the
average number of patrol cars out of service at any one
time, and indicate if the repair service seems adequate.
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