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9 A bottle contains two red and two green marbles, and a second bottle also contains two red and two green marbles. If you select one marble at random from each bottle, determine the probability that you obtain each of the following. a) Two red marbles b) Two green marbles o) A red marble from the first bottle and a green marble from the second bottle a) The probability of selecting two red marbles is D. (Simplify your answer.) b) The probability of selecting two green marbles is D. (Simplify your answer.) c) The probability of selecting a red marble from the first bottle and a green marble from the second bottle is El. (Simplify your answer.)