Astudy of queues to pay in cash registers at supermarket

Reference no: EM13471210

A study of queues to pay in the cash registers at a supermarket showed that during the busiest hour the average number of customer waiting to pay is 4. What is the probability that during that period:
1. There are no customers waiting?
2. Four customers are waiting in the line?
3. Four or less customers are waiting in the line?
4. Four or more customers are waiting?

Reference no: EM13471210

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