Suppose 20 students are each assigned to one module of the following: STATS, CALCULUS, ALGEBRA. Suppose 7 students must attend STATS, 9 students must attend CALCULUS and 4 students must attend ALGEBRA. In how many ways can such a three-subset partition be made?

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Suppose we use the abbreviation S for StatisticsC for calculus and A for Algebra So we have ... View the full answer