SOLUTION: An urn contains 3 red balls, 4 white balls, and 5 blue balls. A ball is drawn at a random and its color is noted. A second ball is then drawn, without replacing the first ball, and
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-> SOLUTION: An urn contains 3 red balls, 4 white balls, and 5 blue balls. A ball is drawn at a random and its color is noted. A second ball is then drawn, without replacing the first ball, and
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Question 419105: An urn contains 3 red balls, 4 white balls, and 5 blue balls. A ball is drawn at a random and its color is noted. A second ball is then drawn, without replacing the first ball, and its color is noted. Find the following probabilities.
(a) The first ball is red
(b ) The second ball is white given the first ball is red
(c ) The first ball is red and the second ball is white Answer by sudhanshu_kmr(1152) (Show Source):