An automated car wash will wash a car in 10 minutes.Arrivals occur an average of 15 minutes apart (exponentiallydistributed).a On the average, how many cars are waiting in linefor a wash?b If the car wash could be speeded up, what wash timewould reduce the average waiting time to 5 minutes?
An automated car wash will wash a car in 10 minutes.Arrivals occur an average of 15 minutes apart (exponentiallydistributed).a On the average, how many cars are waiting in linefor a wash?b If the car wash could be speeded up, what wash timewould reduce the average waiting time to 5 minutes?
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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Question
An automated car wash will wash a car in 10 minutes.
Arrivals occur an average of 15 minutes apart (exponentially
distributed).
a On the average, how many cars are waiting in line
for a wash?
b If the car wash could be speeded up, what wash time
would reduce the average waiting time to 5 minutes?
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