5 cards are drawn successfully with replacement from a well shuffled deck of 52cards what is the probability of that only a 3 cards are spades
a game consists of tossing one rupee coin three times and noting its outcomes each time. Find the probability of getting three heads ,at least 2 tails
what will be the value of k in the equation 4x2 - 2x + k + 7 if alpha and 1/alpha are the zeroes of the polynomial?