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The number of people arriving for treatment at an emergency room can be modeled by a Poisson process with a rate parameter of six per hour.

(a) What is the probability that exactly three arrivals occur during a particular hour? (Round your answer to three decimal places.)

(b) What is the probability that at least three people arrive during a particular hour? (Round your answer to three decimal places.)

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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