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    Leshan's Avatar
    Leshan Posts: 4, Reputation: 1
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    #1

    Jan 31, 2011, 09:25 AM
    Probability
    A race track tote board has the odds for a horse listed as 5 to 3. tote boards list the odds that a horse will lose the race. If this is the case, what is the probability of the horse winning the race?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Jan 31, 2011, 11:18 AM

    The horse loses 5 times for every 3 it wins. Thus, the probability it loses is 5/(5+3)=5/8. So, what is the probability it wins?

    If you have odd in the form a:b

    The probability of 'a' occurring is



    the probability of 'b' then occurring is 1-P
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