A box contain 4 black balls,3 red balls and 5 green balls.2 balls are drawn from the box at random.Find the probability that balls are of the same color?
Total=12C2=66
No of desired events=4C2+3C2+5C2=6+3+10=19
Probability=19/66
A bag contains 6 black and 8 white balls.One ball is drawn at random.What is the probability that ball drawn iswhite?
A bag contains 3 red,5 yellow and 4 green balls.Three balls are drawn randomly.What is theprobability that balls drawn contain exactly 2 green balls?
A bag contains 6 white and 4 black balls.Two balls are drawn at random.Find the probability that they are of same
color?