What is pmf of number of firms visited by inspector

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Reference no: EM13148366

There are 50 industrial firms. An inspector will visit 10 randomly selected to check for violations of regulations. If 15 of the firms are actually violating at least one regulaltion, what is the pmf of the number of firms visited by the inspector that are in violation of at least one regulation?

Reference no: EM13148366

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