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?

Algebra ->  Probability-and-statistics -> 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?      Log On

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


Therefore, the probability under the question is


P =  = .    ANSWER