casandra Posted April 8, 2014 Share Posted April 8, 2014 Ok so I don't get what I have to do :( all my textbook says is- Find the number of combinations. Choose three people from six. And then it doesn't say anything else PLEEEEEEEEEEEASE help!!!!!!! Quote Link to comment Share on other sites More sharing options...
forummate Posted April 12, 2014 Share Posted April 12, 2014 Do as usual. It is C(n=6,k=3)=6!/(3!x3!) Quote Link to comment Share on other sites More sharing options...
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