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A drawer contains 3 white balls and 6 black balls. Two balls are drawn out of the box at random. What is the probability that they both are white?

 Mar 17, 2018
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3+6 = 9 total number of balls

3/9 x 2/8 =6 / 72 = 1/12 =~8.3%

 Mar 17, 2018

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