Probability Basicshard
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A box contains 4 red balls, 3 green balls, and 3 blue balls. We draw balls one by one without replacement until all red balls are drawn. What is the probability that all 3 green balls are drawn before the last red ball is drawn?
A box contains 4 red balls, 3 green balls, and 3 blue balls. We draw balls one by one without replacement until all red balls are drawn. What is the probability that all 3 green balls are drawn before the last red ball is drawn?