The cost of providing service in a queuing system increases with
A
increased mean time in the queue
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B
increased arrival rate
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C
Decreased arrival rate
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D
Decreased mean time in the queue
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Solution
The correct option is A increased mean time in the queue Queuing theory deals with problems which involve queuing (or waiting).
In designing queuing systems we need to aim for a balance between service to customers (short queues implying many servers) and economic considerations (not too many servers).
The cost of providing service in a queuing system increases with increased mean time in the queue.