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A local bank reports an average of 6 customers in the drive-thru lane every hour. Assume that the rate of customer arrivals at the bank

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A local bank reports an average of 6 customers in the drive-thru lane every hour. Assume that the rate of customer arrivals at the bank occurs randomly and follows a Poisson distribution. What is the probability of 3 or less customers arriving at the drive-thru lane in the next hour? Round your answer to 3 decimals

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