Customers arrive to a local bakery with an average time between arrivals of5 minutes. However, there is quite a lot of variability in the customers’ arrivals, asone would expect in an unscheduled system. The single bakery server requires anamount of time having the exponential distribution with mean 4.5 minutes to servecustomers (in the order in which they arrive). No customers leave without service.b. Calculate how long customers spend on average to complete their transactionsat the bakery (time in queue plus service time). What percentage of that time isspent queueing?
Customers arrive to a local bakery with an average time between arrivals of5 minutes. However, there is quite a lot of variability in the customers’ arrivals, asone would expect in an unscheduled system. The single bakery server requires anamount of time having the exponential distribution with mean 4.5 minutes to servecustomers (in the order in which they arrive). No customers leave without service.b. Calculate how long customers spend on average to complete their transactionsat the bakery (time in queue plus service time). What percentage of that time isspent queueing?
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section12.5: Analytic Steady-state Queueing Models
Problem 9P
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Customers arrive to a local bakery with an average time between arrivals of
5 minutes. However, there is quite a lot of variability in the customers’ arrivals, as
one would expect in an unscheduled system. The single bakery server requires an
amount of time having the exponential distribution with mean 4.5 minutes to serve
customers (in the order in which they arrive). No customers leave without service.
b. Calculate how long customers spend on average to complete their transactions
at the bakery (time in queue plus service time). What percentage of that time is
spent queueing?
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