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Mathematics, 19.01.2021 19:10 JaneciaMoss4490
The number of people arriving for treatment at an emergency room can be modeled by a Poisson Distribution with a rate parameter of seven 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.)
(c) How many people do you expect to arrive during a 45-min period?
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