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    zqueez's Avatar
    zqueez Posts: 33, Reputation: 1
    Junior Member
     
    #1

    Sep 29, 2007, 10:32 PM
    Combinations
    The personnel manager for a commercial bank has interviewed five men and seven women for four managerial training positions available with her bank. If the final selection will include two men and two women, how many different combinations are possible?

    Any suggestions will help.
    star3114's Avatar
    star3114 Posts: 234, Reputation: 44
    Full Member
     
    #2

    Sep 29, 2007, 10:40 PM
    I am thinking it is 4 because that is what 2 squared equals... the number of the final selection.
    sGt HarDKorE's Avatar
    sGt HarDKorE Posts: 656, Reputation: 98
    Senior Member
     
    #3

    Sep 29, 2007, 10:44 PM
    Are you sure its 4? At first glance I thought it was 4, but there are no other outcomes are there? So I get 3

    Man, man
    Woman, man
    Woman, woman
    star3114's Avatar
    star3114 Posts: 234, Reputation: 44
    Full Member
     
    #4

    Sep 29, 2007, 10:50 PM
    Good point. Yep. Its 3. I was thinking woman, man... man, woman... but that is the same. So yep. Its 3.
    zqueez's Avatar
    zqueez Posts: 33, Reputation: 1
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    #5

    Sep 29, 2007, 11:36 PM
    Then I wonder why my answer is 210??
    Biggie's Avatar
    Biggie Posts: 99, Reputation: 10
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    #6

    Sep 29, 2007, 11:54 PM
    210? I got 5.3:confused:
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #7

    Sep 30, 2007, 04:31 AM
    The answer is 210.

    C(5,2)*C(7,2)=210
    CaptainRich's Avatar
    CaptainRich Posts: 4,492, Reputation: 537
    Cars & Trucks Expert
     
    #8

    Sep 30, 2007, 05:01 AM
    Quote Originally Posted by zqueez
    The personnel manager for a commercial bank has interviewed five men and seven women for four managerial training positions available with her bank. If the final selection will include two men and two women, how many different combinations are possible?

    Any suggestions will help.
    Man, man, woman, woman
    -or-
    Man, woman, man, woman
    -or-
    Man, woman, woman, man
    -or-
    Woman, woman, man, man
    -or-
    Woman, man, woman, man
    -or-
    Woman, man, man, woman

    Did I miss any combonations of two and two?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
    Ultra Member
     
    #9

    Sep 30, 2007, 05:08 AM
    Yes, about 204 of them :)

    The men and women are distinct. They are different individuals, not just a man and a woman.
    zqueez's Avatar
    zqueez Posts: 33, Reputation: 1
    Junior Member
     
    #10

    Sep 30, 2007, 10:06 PM
    Thank you, all!

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