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

    Dec 2, 2008, 08:57 PM
    What is the Probability
    If P(A)=5/13, what are the odds that event A will occur? ____TO_____
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Dec 13, 2008, 05:11 PM
    If the probability of A occurring is 5/13, then the odds is simply 5:18 of it occurring.
    ROLCAM's Avatar
    ROLCAM Posts: 1,420, Reputation: 23
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    #3

    Dec 14, 2008, 02:42 AM
    13*12*11*10*9
    ------------------
    5*4*3*2*1

    = 13*11*9

    = 1,287 to 1.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #4

    Dec 15, 2008, 09:58 AM
    Quote Originally Posted by ROLCAM View Post
    13*12*11*10*9
    ------------------
    5*4*3*2*1

    = 13*11*9

    = 1,287 to 1.
    Rolcam: sorry, but this has nothing to do with what the OP asked. You are showing how to calculate the combination of 13 things taken 5 at a time - for example if you have a deck of 13 cards it's how many ways you can select 5 of them. Nothing at all to do with odds.
    visharad's Avatar
    visharad Posts: 47, Reputation: 4
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    #5

    Dec 16, 2008, 01:37 AM

    Odds are 5 to 8
    P(A) = 5/13
    P(not A) = 1 - 5/13 = 8/13
    Odds of A occurring = P(A)/P(not A) = 5/8 i.e. 5 to 8
    ROLCAM's Avatar
    ROLCAM Posts: 1,420, Reputation: 23
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    #6

    Dec 16, 2008, 02:00 AM
    Quote Originally Posted by ebaines View Post
    Rolcam: sorry, but this has nothing to do with what the OP asked. You are showing how to calculate the combination of 13 things taken 5 at a time - for example if you have a deck of 13 cards it's how many ways you can select 5 of them. Nothing at all to do with odds.
    Thank you so much for putting the whole thing straight.

    Rolcam
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