A bag contains 4 white and 5 blue balls. They are mixed thoroughly and one ball is drawn at random. What is the probability of getting (i) a white ball ? (ii) a blue ball ?
In a bag, there are 4 white and 5 blue balls
∴ Possible outsomes =4+5=9
One ball is drawn at random,then
(i) the probability of a white ball =49
(ii) the probability of a blue ball =59