50 points fran has a bag with 20 marbles in it. some of the marbles are blue, some are green, and some are yellow. she draws one marble at random, records the color, and returns it to the bag. here is her data after 1200 trials: blue 845 green 305 yellow 50 estimate the probability that a marble drawn at random will be blue. estimate the probability that a marble drawn at random will be green. estimate the probability that a marble drawn at random will be yellow. express each probability estimate as a fraction with 20 in the denominator.