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A second-stage smog alert has been called in a large city with 48 industrial firms. an inspector will visit 10 of these firms (selected at random). Let Y denote the number of firms (among the 10 firms visited) that are in violation of at least one regulation. If 15 of the 48 firms are in violation of at least one regulation, what is the probability that the inspector will visit exactly 2 firms that are in violation? at least 2 firms? at most 2 firms?

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