Find the probability that a hand of 7 cards drawn from a well shuffled deck of 52 cards contain exactly three kings.
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.
Number of numbers available in the draw = 1 to 20 = 20
Number of numbers to be selected = 6
∴ Number of points in the sample space S = n(S) =
EventA: The six numbers should match the six numbers fixed by the lottery committee.
Hence, the probability of his winning a bumper prize
(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.