Suppose a coffee shop order and fulfillment process is configured simply as a single queue with two steps: wait and service. Customers enter, wait their turn, and then are served, by placing and receiving their order all at once. Suppose that an average of 10 customers per hour enter the coffe shop while the shop is open. On average, there are two customers waiting in line to place their orders. It takes an average of 2 minutes to go through the service step, that is, it takes 2 minutes to complete the second step of placing and receiving the order. In steady state,

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
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Suppose a coffee shop order and fulfillment process is configured simply as a single queue with two
steps: wait and service. Customers enter, wait their turn, and then are served, by placing and
receiving their order all at once. Suppose that an average of 10 customers per hour enter the coffee
shop while the shop is open.
On average, there are two customers waiting in line to place their orders. It takes an average of 2
minutes to go through the service step, that is, it takes 2 minutes to complete the second step of
placing and receiving the order.
In steady state,
O The average wait time before placing an order is 12 minutes.
O The average time between customer arrivals is 5 minutes.
O None of the answers are correct.
There is an average of one customer being served at a time.
O The average total time to wait and be served is 15 minutes.
Transcribed Image Text:Suppose a coffee shop order and fulfillment process is configured simply as a single queue with two steps: wait and service. Customers enter, wait their turn, and then are served, by placing and receiving their order all at once. Suppose that an average of 10 customers per hour enter the coffee shop while the shop is open. On average, there are two customers waiting in line to place their orders. It takes an average of 2 minutes to go through the service step, that is, it takes 2 minutes to complete the second step of placing and receiving the order. In steady state, O The average wait time before placing an order is 12 minutes. O The average time between customer arrivals is 5 minutes. O None of the answers are correct. There is an average of one customer being served at a time. O The average total time to wait and be served is 15 minutes.
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