Question: Consider a single-line, single-server waiting line system. Suppose that customers arrive at an average rate of 21 per hour, and the average time spent in

Consider a single-line, single-server waiting line system. Suppose that customers arrive at an average rate of 21 per hour, and the average time spent in the system to include service is 28 minutes. How many customers per hour can be served? Do you need more servers?

A.

51.2/hr. No
B.

23.1/hr. No
C.

27/hr. Yes
D.

23.1/hr. Yes
E.

51.2/hr. Yes

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