Q: A vending machine at City Airport dispenses hot coffee, hot chocolate
A vending machine at City Airport dispenses hot coffee, hot chocolate, or hot tea, in a constant service time of 20 seconds. Customers arrive at the vending machine at a mean rate of 60 per hour (Pois...
See AnswerQ: In the Fast Shop Market example in this chapter, Alternative II
In the Fast Shop Market example in this chapter, Alternative II was to add a new checkout counter at the market. This alternative was analyzed using the single-server model. Why was the multiple- serv...
See AnswerQ: NesCafé has installed a coffee vending machine at an airport. The
NesCafé has installed a coffee vending machine at an airport. The installed vending machine has the capacity to dispense 25 cups of coffee per hour. Currently, the demand for coffee on average is 22 c...
See AnswerQ: The Bay City Police Department has eight patrol cars that are on
The Bay City Police Department has eight patrol cars that are on constant call 24 hours per day. A patrol car requires repairs every 20 days, on average, according to an exponential distribution. When...
See AnswerQ: The University Bookstore is owned and operated by State University through an
The University Bookstore is owned and operated by State University through an independent corporation with its own board of directors. The bookstore has three locations on or near the State University...
See AnswerQ: The Rowntown Cab Company has four cabs that are on duty during
The Rowntown Cab Company has four cabs that are on duty during normal business hours. The cab company dispatcher receives requests for service every 8 minutes, on average, according to an exponential...
See AnswerQ: In Problem 10, in addition to course approvals, suppose that
In Problem 10, in addition to course approvals, suppose that the advisor also answers questions and provides course counseling, such that the service time can no longer be assumed to be exponentially...
See AnswerQ: The College Avenue Sub Shop is located in a small college town
The College Avenue Sub Shop is located in a small college town. Virtually all of its phone delivery orders are in the evening, between 5:00 p.M. and 1:00 A.M., so the shop has a delivery person for th...
See AnswerQ: The Riverton Post Office has four stations for service. Customers line
The Riverton Post Office has four stations for service. Customers line up in single file for service on a FIFO basis. The mean arrival rate is 40 per hour, Poisson distributed, and the mean service ti...
See AnswerQ: In Problem14 , the Dynaco Company has found that if more than
In Problem14 , the Dynaco Company has found that if more than three units (average) are waiting to be processed at any one workstation, then too much money is being tied up in work-in-process inventor...
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