document.write( "Question 1184400: A box contains 20 balls out which 7 are white balls, 5 are black balls, 6 are
\n" ); document.write( "red balls and 2 are yellow balls. If four balls are drawn at random. What is
\n" ); document.write( "the probability that balls of only one two colours and only three colours
\n" ); document.write( "are drawn?
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Algebra.Com's Answer #814956 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
A box contains 20 balls out which 7 are white balls, 5 are black balls, 6 are
\n" ); document.write( "red balls and 2 are yellow balls. If four balls are drawn at random. What is
\n" ); document.write( "the probability that balls of only one two colours and only three colours
\n" ); document.write( "are drawn?
Notice that the \"one two\" doesn't make sense.\r\n" );
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document.write( "Edwin
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