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Round all answers to 4 decimal places. a. A bag contains 6 red marbles, 3 yellow marbles, and 5 white 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 white marble? b. A bag contains 3 black marbles, 5 white marbles, and 6 yellow marbles. If two different marbles are drawn from the bag , what is the probability of drawing first a black marble and then a yellow marble