John has a bag of different colored marbles. He has 6 red marbles, 3 blue marbles, 7 yellow marbles, and 5 green marbles If John reaches into the bag and randomly pulls out a marble, wh probability that the marble will be blue? (If necessary, round to the nearest tenth.) O A 14.3% OB 28 6% O с 30 0% o D 85 7%