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A candy dish contains 10 red, 10 orange, and 10 black gumdrops. A second dish contains exactly the same assortment. If you select a gumdrop from each dish, what are the chances that you will get two of the same color??

  • math -

    let's do the prob of 2 red
    = (10/30)(10/30) = 1/9

    the same is true for each of the other two colours

    so prob(2 of the same colour) = 3(1/9) = 1/3

  • math -

    John, check your 3-23-11, 10:56am post.

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