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Math Help - Selecting balls from a bag.

  1. #1
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    Selecting balls from a bag.

    i have a bag of 6 black balls and 14 white balls. What is the probability of getting 3 black balls out?
    Last edited by mr fantastic; December 9th 2011 at 02:47 PM. Reason: Re-titled.
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  2. #2
    MHF Contributor chisigma's Avatar
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    Re: probability help

    An important data is missing: how many balls do You get out in total?...

    Kind regards

    \chi \sigma
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  3. #3
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    Re: probability help

    Quote Originally Posted by chisigma View Post
    An important data is missing: how many balls do You get out in total?...
    I addition to the above, we must know how the balls are drawn.
    Is it with replacement or without replacement?
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