Alpha Taxi and Hauling also plans to have cabs at a new rail station. The expected arrivalrate is 4.8 customers per hour, and the service rate (including return time to the rail station)is expected to be 1.5 per hour. How many cabs will be needed to achieve an average time inline of 20 minutes or less?

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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Alpha Taxi and Hauling also plans to have cabs at a new rail station. The expected arrival
rate is 4.8 customers per hour, and the service rate (including return time to the rail station)
is expected to be 1.5 per hour. How many cabs will be needed to achieve an average time in
line of 20 minutes or less?

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