What fraction of time are both operators busy

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Reference no: EM131029865

Show transcribed image text Telephone calls arrive at a department store catalog-ordering center with two operators. If both operators are busy, the calls are automatically put on hold and queued on a first-come-first -served basis to be served by the next available operator. The time spends by each operator in taking the order is exponentially distributed with a mean service time of 6 minutes. The calls have exponentially distributed interarrival times and occur at rate of 10 per hour.

What is the expected number of calls on hold waiting for service?

How much time should an arriving call expect to spend in the queuing system (waiting for and receiving service)?

What fraction of time are both operators busy?

Reference no: EM131029865

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