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28 April, 17:09

A horse race has 13 entries and one person owns 5 of those horses. assuming that there are no ties, what is the probability that those five horses finish first, second, third, fourth, and fifth (regardless of order) ? the probability first, second, third, fourth, and fifth is nothing.

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  1. 28 April, 18:50
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    There are 13 entries in total

    The owner has 5 horses.

    If each horses has the same probability of winning, then the probability that the owners

    Horses will come in first, second, third, and fourth will be as follows:

    It was only specified that one of these horses needed to be in each position

    This makes it is a combination type problem because order does not matter

    We 5 horses

    The probability that one of those 5 horses will be first is 5/13

    The probability that one of those remaining 4 horses will be second is 4/12

    The probability that one of those remaining 3 horses will be third is 3/11

    The probability that one of those remaining 2 horses will be fourth is 2/10

    The probability that one of those remaining 1 horses will be fifth is 5/9

    The total probability is that 0.00389
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