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Math Help - Actuary Probability

  1. #1
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    Actuary Probability

    Need help with this question. I can't figure out what I'm doing wrong and the problem is throwing me off by not saying which brand specific.
    A cooler contains 15 cans of Coke and 10 cans of Pepsi. Three are drawn from the cooler without replacement. What is the probability that all three are the same brand?
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  2. #2
    MHF Contributor
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    Re: Actuary Probability

    Hey sshort1024.

    Are you aware of the hyper-geometric distributions (including the one with more than two outcome types)?

    Hypergeometric distribution - Wikipedia, the free encyclopedia

    (Remember: the key is without replacement).
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