A university has 10,000 students of which 8000 are male and 2000 are female. If a class of 30 students is chosen at random from the university population, find the mean and variance of the number of male students.
A university has 10,000 students of which 8000 are male and 2000 are female. If a class of 30 students is chosen at random from the university population, find the mean and variance of the number of male students.
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