question_answer

Mary has 9 balls in her bag of which 4 are green, 3are blue and 2 are yellow. The ball are similar in shape and size. A ball is drawn at a random from the bag and is found to be blue. Find the probability of this event.

A)  \[\frac{1}{3}\] 

B)  \[\frac{2}{3}\]

C)  \[\frac{5}{9}\]                         

D)  \[\frac{7}{9}\]

E)  None of these