A queueing study in a department store reveal the following information about the percent of idleness and
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A queueing study in a department store reveal the following information about the percent of idleness and customer waiting time as a function of the of the number of cashiers:
The store manager wants to keep the average waiting time below 5 minutes and simultaneously maintain the percentage of idleness to below 15%. Is this goal achievable with the present data? Explain.
Transcribed Image Text:
Number of cashiers 1 Cashiers Idleness (%) 0 Average waiting time (min) 12.3 2 8 11.4 3 12 7.2 4 18 4.3 5 29 3.8 6 36 2.9 7 42 1.5
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