SOLUTION: A bag contains 5 green marbles, 4 red marbles, 7 blue marbles, and 9 yellow marbles.
What is the probability of drawing a red or blue marble?
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Probability-and-statistics
-> SOLUTION: A bag contains 5 green marbles, 4 red marbles, 7 blue marbles, and 9 yellow marbles.
What is the probability of drawing a red or blue marble?
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