ProbabilityHard
Question
A bag contains 2 white & 4 black balls. A ball is drawn 5 times, each being replaced before another is drawn. The probability that atleast 4 of the balls drawn are white is:
Options
A.4/81
B.10/243
C.11/243
D.none
More Probability Questions
A kid want to put 5 different chocolates into his three different pockets. Let (in lowest terms) n, m ∈ N, denotes...A & B having equal skill, are playing a game of best of 5 points. After A has won two points & B has won one point, the ...Two aeroplanes I and II bomb a target in succession. The probabilities of I and II scoring a hit correctly are 0.3 and 0...A bag contains 20 tickets numbered with 1 to 20. Three tickets are drawn. The probability that ticket number 7 is defini...Mr. Dupont is a professional wine taster. When given a French wine, he will identify it with probability 0.9 correctly a...