Round all answers to 4 decimal places. a. A bag contains 8 red marbles, 10 green marbles, and 6 black marbles. If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a red marble and then a black marble? b. A bag contains 10 white marbles, 6 black marbles, and 8 green marbles. If two different marbles are drawn from the bag , what is the probability of drawing first a white marble and then a green marble