If there is a box which has 7 red balls, 4 white balls and 9 black ball and you take 3 balls out what is the probability of the three balls being red and the probability of the balls being 2 white and 1 red(adsbygoogle = window.adsbygoogle || []).push({});

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# If there is a box which has 7 red balls

**Physics Forums | Science Articles, Homework Help, Discussion**