Find the probability that a hand of 7 cards drawn from a well shuffled deck of 52 cards contain exactly three kings.
7 cards are drawn from a well shuffled deck of 52 cards. The number of points in sample space S = n(S) =
Event A: exactly 3 kings are drawn. 3 Kings (out of 4 kings) and 4 other cards (out of remaining 48 cards) are drawn.
n(A) =
Find the probability that a hand of 7 cards drawn from a well shuffled deck of 52 cards contain at least 3 kings.
Find the probability that a hand of 7 cards drawn from a well shuffled deck of 52 cards contain at most 3 kings.
(i) a five rupees coin. (ii) a two rupees coin.
(iii) a two rupees or a five rupees coin. (iv) not a one rupee coin,
(v) not a five rupees coin. (vi) a one rupee or two rupees coin.