To red sea green to blue wall to wall are drawn at random what is the probability that none of the ball drawn is blue
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Ball is put back: 7 balls in total 2 of those are blue so five arn't. 5/7 * 5/7 = 0,51 ... What is the probability that none of the balls drawn is blue? ... A bag contains 7 white balls, 6 black balls and 5 red balls.
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