A small mail order firm Seas Beginnings has one phoneline. An average of 60 people per hour call in orders, and ittakes an average of 1 minute to handle a call. Time between calls and time to handle calls are exponentially distributed.If the phone line is busy, Seas Beginnings can put up toc 1 people on hold. If c 1 people are on hold, a callergets a busy signal and calls a competitor (Air End). SeasBeginnings wants only 1% of all callers to get a busy signal. How many people should the company be able to put onhold?

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 37P
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A small mail order firm Seas Beginnings has one phone
line. An average of 60 people per hour call in orders, and it
takes an average of 1 minute to handle a call. Time between

calls and time to handle calls are exponentially distributed.
If the phone line is busy, Seas Beginnings can put up to
c 1 people on hold. If c 1 people are on hold, a caller
gets a busy signal and calls a competitor (Air End). Seas
Beginnings wants only 1% of all callers to get a busy signal.

How many people should the company be able to put on
hold?

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ISBN:
9781337406659
Author:
WINSTON, Wayne L.
Publisher:
Cengage,