SOLUTION: Professor Karl has n students in her classroom. At the end of the semester she decides to assign the students a group final project. If Professor Karl wants the students to pair
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Question 880468: Professor Karl has n students in her classroom. At the end of the semester she decides to assign the students a group final project. If Professor Karl wants the students to pair into groups of 3, how many ways are there to choose the groups in which the order doesn’t matter (the group Mike, John and Matt is the same as the group Matt, Mike and John). Answer by ewatrrr(24785) (Show Source):
