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Math Help - Probability

  1. #1
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    Probability

    Suppose you are told that a particular team has won w games, drawn d games and lost l games during the course of a season. Calculate the probability that (a) the team won both the first and the last games of the season, (b) the team lost both the first and the last games of the season.

    How on earth do i do this question without any number of total games in the season etc??? Please be of assisstance! I have tried and tried.
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  2. #2
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    Quote Originally Posted by tharandeep View Post
    Suppose you are told that a particular team has won w games, drawn d games and lost l games during the course of a season. Calculate the probability that (a) the team won both the first and the last games of the season, (b) the team lost both the first and the last games of the season. How on earth do i do this question without any number of total games in the season?
    You do know the total number of games: T = w + l + d.
    The number of ways the matches can be played is: D = \frac{{T!}}<br />
{{w!d!l!}}.
    The number of ways of winning the first and last match is \frac{{(T-2)!}}<br />
{{(w-2)!d!l!}}.

    Can you finish?
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  3. #3
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    I cant! Thank you so much for how you've enlightened me so far. Could you please show the last few steps??
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