Question

Bag a contains 4 white balls and 2 black balls. bag b contain 2 white 4 black balls one of the bag chosen at random and a ball is drawn from it find the probability that the ball is white

Answer 1

Total number of balls are 4+2= 6

Probability that the ball is a white ball is

= number of favourable outcomes / total number of possible outcomes
4/6 = 2/3

in b

2/6 = 1/3