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    lporacky's Avatar
    lporacky Posts: 1, Reputation: 1
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    #1

    Sep 11, 2011, 02:08 PM
    Finite math help?
    Assume that there are 6 unfilled roles:
    3 male and 3 female. There are 4 men and 4 women, including
    Jennifer, auditioning for a part in the play.


    (1) How many different casts are there?




    (2) How many of these casts include Jennifer?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member
    		  
    #2

    Sep 12, 2011, 10:30 AM
    This has to do with permutations and combinations.

    If you have to choose m people for n roles, the number of ways this can be done is given by mCn, or:



    Can you give your problem a try?
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