SOLUTION: two marbles are drawn from a bag containing 6 white,4 red, 6 green marbles. find the probability of both marbles being whiye. thank you for the help

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: two marbles are drawn from a bag containing 6 white,4 red, 6 green marbles. find the probability of both marbles being whiye. thank you for the help      Log On


   

Question 290229: two marbles are drawn from a bag containing 6 white,4 red, 6 green marbles. find the probability of both marbles being whiye. thank you for the help
Answer by scott8148(6628) About Me  (Show Source):
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ways of drawing 2 from 16 ___ 16C2 = 120

ways of drawing 2 white from 6 white ___ 6C2 = 15

probability of drawing 2 white from 16 ___ [6C2] / [16C2] = 15/120 = 1/8 = .125