A vending machine dispenses hot chocolate or coffee. Service time is 30 seconds per cup andis constant. Customers arrive at a mean rate of 80 per hour, and this rate is Poissondistributed.A) Identify the Queuing Model and sketch the system.B) What is the arrival rate?C) What is the service rate?

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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 A vending machine dispenses hot chocolate or coffee. Service time is 30 seconds per cup and
is constant. Customers arrive at a mean rate of 80 per hour, and this rate is Poissondistributed.
A) Identify the Queuing Model and sketch the system.
B) What is the arrival rate?
C) What is the service rate?

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