# Statistics

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2. The arrivals of customers at a drive-in banking window are governed by the Poisson distribution. Each customer requires 5 minutes to transact his or her business at the drive-in window. The average customer arrival rate is 10 per hour. A customer arrives at random. What is the probability that there will be no line and he can be served immediately? NOTE: You should understand the relationship between the Poisson and Exponential distributions to solve this problem.

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