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Thread: Mathematical Statistics

  1. #1
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    Mathematical Statistics

    Draw 15 cards at random and without replacement form a pack of 25 card numbered 1,2,3,...,25. Find the probability that 10 is the median of the card selected.

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  2. #2
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    Re: Mathematical Statistics

    HINT:
    1-9 [7] 10 [1] 11-25 [7]

    Success is:
    7 cards from the 1-9 cards, 1 card has to be 10,
    7 cards from the 11-25 cards
    Last edited by DenisB; May 27th 2015 at 04:13 PM.
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