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OpenStudy (anonymous):
What is the probability of choosing a red marble or a green marble out of a bag containing 5 blue marbles, 3 red marbles, and 1 green marble? @kropot72
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OpenStudy (kropot72):
The required probability is: \[\frac{number\ of\ red\ marbles+number\ of\ grenn\ marbles}{total\ number\ of\ marbles}\]
OpenStudy (kropot72):
grenn*
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