Question: Use Piosson Distribution: Please hand write if you can! At an inside sales counter an average of 20 customers enter the system for service each

Use Piosson Distribution: Please hand write if you can! At an inside sales counter an average of 20 customers enter the system for service each hour, it takes about five minutes to serve each customer. The manager has been staffing the counter with three sales associates. She wonders if she should reduce the staffing level to two. What is the probability that more than two people enter the system in a five minute period? What about more than 4

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