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02-11-2017
Mathematics

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a bag contains 6 blue marbles, 10 red marbles, and 9 green marbles if two marbles are drawn at random without replacement what is the probability that two green marbles are drawn

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02-11-2017

P ( first one drawn is green) = 9 /25

P(second drawn is green) = 8/24 = 1/3

Probabilty both green = 9/25 * 1/3 = 9/75 = 3/25 answer

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