a) What is the probability that at least five people arrive during a 35 minute period? (Answer in 4 decimal places) b) Given that there are no people treated in this emergency for 30 minutes, what is the probability that the next person need the treatment is within the next 20 minutes? (Answer in 4 decimal places)

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A: The statement you're referring to is known as the Law of Large Numbers. The Law of Large Numbers…

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A: This is a problem of counting and it involves concept of probability.