Probability Basicshard
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An urn contains 4 red balls and 6 blue balls. If we draw balls one by one without replacement until a red ball is drawn, what is the probability that the red ball is drawn on the 3rd attempt?
An urn contains 4 red balls and 6 blue balls. If we draw balls one by one without replacement until a red ball is drawn, what is the probability that the red ball is drawn on the 3rd attempt?