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Math Help - Question to see what distribution is being used here?

  1. #1
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    Question to see what distribution is being used here?

    Hello

    I was wondering if someone could help me.

    I am currently working on a problem and don't know where to start. I have a question as follows:

    There are 20 students, 16 are fulltime students considered for an advertised position. Initially 4 have been short-listed for an interview. If 3 are selected at random and X is the no of part-time students, calculate

    pX(x) for all x?

    what does this mean? is it binomial distribution???i'm lost!
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by davidrocastle View Post
    Hello

    I was wondering if someone could help me.

    I am currently working on a problem and don't know where to start. I have a question as follows:

    There are 20 students, 16 are fulltime students considered for an advertised position. Initially 4 have been short-listed for an interview. If 3 are selected at random and X is the no of part-time students, calculate

    pX(x) for all x?

    what does this mean? is it binomial distribution???i'm lost!
    It would be tricky to say what this means, because it is not in English. If that is the full question as set ask for clarification, if not post the question as asked.

    CB
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  3. #3
    MHF Contributor matheagle's Avatar
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    This seems to be hypergeometric
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  4. #4
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    Could this be done through combinations?
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