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###### Points) second-stage smog alert was called in a certain area of Los Angeles County in which there are 40 industrial firms. An inspector will visit 10 randomly selected firms to check for violation of regulations. 15 firms are actually violating at least one - regulation. (4 points) Find the probability that exactly 5 of the 10 visited firms are in violation of at least one regulation: (3 points) What is the expected number of firms (among the 10 visited by the inspector) that violate at least on

points) second-stage smog alert was called in a certain area of Los Angeles County in which there are 40 industrial firms. An inspector will visit 10 randomly selected firms to check for violation of regulations. 15 firms are actually violating at least one - regulation. (4 points) Find the probability that exactly 5 of the 10 visited firms are in violation of at least one regulation: (3 points) What is the expected number of firms (among the 10 visited by the inspector) that violate at least one regulation? 6Fage

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