Question: 22. To an engineering class containing 2n 3 male and three female students, there are n work stations available. To assign each work station

22. To an engineering class containing 2n − 3 male and three female students, there are n work stations available. To assign each work station to two students, the professor forms n teams one at a time, each consisting of two randomly selected students. In this process, let X be the number of students selected until a team of a male and a female is formed.

Find the expected value of X.

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