Question

A bag contains 4 red,3 white and 7 green balls. A ball is drawn at random from the bag. What is the probability that the drawn ball is blue?​

Answer 1

Correct option is

D

11

8

Let A be the event 'the ball drawn is white' and B be the event 'the ball drawn is green'.

P(The ball drawn is white or green)P(A∪B)=P(A)+P(B)−P(A∩B)=

11

8

Answer 2

Answer:

0 because blue is not contains in bag.