The Decision Sciences Department is trying todetermine whether to rent a slow or a fast copier. Thedepartment believes that an employee’s time is worth $15per hour. The slow copier rents for $4 per hour and it takesan employee an average of 10 minutes to complete copying(exponentially distributed). The fast copier rents for $15 perhour and it takes an employee an average of 6 minutes tocomplete copying. An average of 4 employees per hour needto use the copying machine (interarrival times areexponential). Which machine should the department rent?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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The Decision Sciences Department is trying to
determine whether to rent a slow or a fast copier. The
department believes that an employee’s time is worth $15
per hour. The slow copier rents for $4 per hour and it takes
an employee an average of 10 minutes to complete copying
(exponentially distributed). The fast copier rents for $15 per
hour and it takes an employee an average of 6 minutes to
complete copying. An average of 4 employees per hour need
to use the copying machine (interarrival times are
exponential). Which machine should the department rent?

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