SOLUTION: probability that a red or green marble will be selected from a bag containing 9 red marbles, 6 blue marbles, 7 green marbles, and 11 yellow marbles if one is selected randomly?

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Question 1145976: probability that a red or green marble will be selected from a bag containing 9 red marbles, 6 blue marbles, 7 green marbles, and 11 yellow marbles if one is selected randomly?
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
.

Notice that the full number of marbles is 9 + 6 + 7 + 11 = 33


Therefore, the probability under the question is


P =  = .    ANSWER


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