There are 15 balls in a box: 8 balls are green, 4 are blue and 3 are white. Then 1 green and 1 blue balls are taken from the box and put away. What is the probability that a blue ball is selected at random from the box?

• Correct answer

  3/13

• 4/15

• 3/15

• 4/13

• 2/13