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a. A bag contains 33 blackblack marbles, 77 whitewhite marbles, and99 yellowyellow marbles. If a marble is drawn from the bag, replaced, and another marble
a. A bag contains 33 blackblack marbles, 77 whitewhite marbles, and99 yellowyellow marbles. If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a blackblack marble and then a yellowyellow marble?
b. A bag contains 77 blueblue marbles, 99 yellowyellow marbles, and33 whitewhite marbles.If two different marbles aredrawn from the bag , what is the probability of drawing first a blueblue marble and then a whitewhite marble?
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