Suppose that when a call centre has 25 CSRs, a customer waits 1.5 minutes on average for
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Which has the greater probability: (a) waiting more than 20 minutes when there are 25 CSRs and 7 people ahead in the queue or (b) waiting more than 20 minutes when there are 30 CSRs and 10 people ahead in the queue?
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Scenario a 15 7 105 PX 20 e 2...View the full answer
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