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    apn0201 Posts: 1, Reputation: 1
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    #1

    Apr 5, 2011, 10:29 PM
    Probability
    An urn contains n balls numbered 1 to n. If m balls are randomly withdrawn sequentially with replacement find P(X=k), k=1,2... m where m is the maximum of the m chosen numbers.
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    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Apr 6, 2011, 06:57 AM

    Please clarify - what does "X" represent? Suppose you have an urn with 10 balls, and you pull three of them, with replacement. The question is asking what is P(X=1), P(X=2) and P(X=3), but I don't know what X is. Perhaps X= the number of times that a ball with a particular value is chosen?
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