2015 June(73C) Math Question 38

Probability

- One Event

38. At a local post office, on average, 3 customers are in line when the post office closes each day. The probability, P, that exactly n customers are in line when the post office closes can be modeled by the equation P=. Given that e-3 0.05, which of the following values is closest to the probability that exactly 2 customers are in line when the post office

Choice J

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