During the early morning hours, customers arrive at a branch post office at an average rate of 69 per hour (Poisson), while clerks can provide services at a rate of 23 per hour. If clerk cost is $15.45 per hour and customer waiting time represents a cost of $15 per hour, how many clerks can be justified on a cost

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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During the early morning hours, customers
arrive at a branch post office at an average
rate of 69 per hour (Poisson), while clerks can
provide services at a rate of 23 per hour. If
clerk cost is $15.45 per hour and customer
waiting time represents a cost of $15 per hour,
how many clerks can be justified on a cost
basis
а.
5
b.
8
С.
4
d.
7
е.
6.
Transcribed Image Text:During the early morning hours, customers arrive at a branch post office at an average rate of 69 per hour (Poisson), while clerks can provide services at a rate of 23 per hour. If clerk cost is $15.45 per hour and customer waiting time represents a cost of $15 per hour, how many clerks can be justified on a cost basis а. 5 b. 8 С. 4 d. 7 е. 6.
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