Problem-
A bag contains 120 balls. Out of this 120 balls 30 of them are blue, 50 of them are pink and 40 of them are green. Now suppose your friend has drawn a ball and told you that it is pink. He didn't replace the ball back. What is the conditional probability that the ball you draw to be green?
a) 40/119
b) 1/3
c) 5/12
d) 50/357
e) 40/357
Additional information-
This problem related to Basic Statistics and it is about computing the probability of drawing a green ball from a bag of colored balls.