Coppell Services contracts with outsourcing partners to handle various customer service functions. Based on a study of call volumes provided by one of the firm's partners, the minimum number of staff needed for each hour of the day is as follows: Hour 8-9 9-10 10 10-11 12 11-noon 10 noon-1 8 16 15 20 15 1-2 2-3 3-4 4-5 Mr. Coppell hires 6 permanent employees and wants to staff the remaining requirements using part- time employees who work 4-hour shifts (four consecutive hours starting as early as 8 A.M. or as late as 1 P.M.). What is the minimum number of total part-time employees needed across all the 4-hour shifts to ensure meeting the staffing requirements? 222 2 Ⓒ20 Minimum Staff Required 16 24 28

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
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Chapter12: Queueing Models
Section12.5: Analytic Steady-state Queueing Models
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Coppell Services contracts with outsourcing partners to handle various customer service functions.
Based on a study of call volumes provided by one of the firm's partners, the minimum number of staff
needed for each hour of the day is as follows:
Hour
8-9
9-10
10-11
11-noon
noon-1
1-2
2-3
3-4
4-5
Mr. Coppell hires 6 permanent employees and wants to staff the remaining requirements using part-
time employees who work 4-hour shifts (four consecutive hours starting as early as 8 A.M. or as late as
1 P.M.).
What is the minimum number of total part-time employees needed across all the 4-hour shifts to
ensure meeting the staffing requirements?
OO
20
16
Minimum Staff Required
6
10
12
10
8
16
15
20
15
24
28
Transcribed Image Text:Coppell Services contracts with outsourcing partners to handle various customer service functions. Based on a study of call volumes provided by one of the firm's partners, the minimum number of staff needed for each hour of the day is as follows: Hour 8-9 9-10 10-11 11-noon noon-1 1-2 2-3 3-4 4-5 Mr. Coppell hires 6 permanent employees and wants to staff the remaining requirements using part- time employees who work 4-hour shifts (four consecutive hours starting as early as 8 A.M. or as late as 1 P.M.). What is the minimum number of total part-time employees needed across all the 4-hour shifts to ensure meeting the staffing requirements? OO 20 16 Minimum Staff Required 6 10 12 10 8 16 15 20 15 24 28
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