One ace from a pack of 52 cards is removed. Now the rest 51 cards are shuffled and a card is removed from top of deck one by one till we obtain the second ace. Find the expected number of cards to be drawn to get the second ace.
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no. of outcomes (nS) = 51
favourable outcomes (nE) = 3
probability = nE / nS
= 3 / 51
= 1/ 17 ans..
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