A glass jar contains 1 red, 3 green, 2 blue, and 4 yellow marbles. If a single
marble is chosen at random from the jar, what is the probability that it is yellow
or green? A glass jar contains 1 red, 3 green, 2 blue, and 4 yellow marbles. If a
single marble is chosen at random from the jar, what is the probability that it is
yellow or green?