Question: Suppose that 100 mathematics students are divided into five classes, each containing 20 students, and that awards are to be given to 10 of these

Suppose that 100 mathematics students are divided into five classes, each containing 20 students, and that awards are to be given to 10 of these students. If each student is equally likely to receive an award, what is the probability that exactly two students in each class will receive awards?

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