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. Need help 🙇🙇
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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.