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18 August, 06:56

A bag contains 11 green marbles, 17 red marbles, 23 yellow marbles, and 34 blue marbles. diego randomly chooses a marble from the bag. what is the probability that he will choose a red or blue marble? write your answer as a decimal.

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  1. 18 August, 07:13
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    P (Red) = 17 / (11+17+23+34) = 17 / 85 = 1/5

    P (blue) = 34/85 = 2/5

    P (red or blue) = 1/5 + 2/5 = 3/5 = 0.6 Answer
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