Find the probability of drawing a diamond card in each of the two consecutive draws from a well-shuffled pack of cards, if the card drawn is not replaced after the first draw.
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Solution
Let A be the event of drawing a diamond card in the first draw and B be the event of drawing a diamond card in the second draw. Then,
P(A)=13C152C1=1352=14
After drawing a diamond card in first draw 51 cards are left out of which 12 cards are diamond cards.
And, P(B|A)=12C151C1=1251=417
Therefore, required probability = P(A)P(B|A)=14×417=117