Given an average service rate of twelve customers per hour, what is the probability the business can handle all the customers when the average arrival rate is eight customers per hour? Use the Poisson distribution to calculate the probabilities for various customer arrivals. Do not round intermediate calculations. Round your answer to one decimal place.

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With an average service rate of fifteen customers per hour and an average customer arrival rate of ten customers per hour, calculate the probability that actual service time will be less than or equal to six minutes. Do not round intermediate calculations. Round your answer to two decimal places.

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