document.write( "Question 256037:  7 white socks and 23 black socks are in a bag. If 2 socks are drawn at random, what is the probability that both socks are the same color?
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document.write( "Give answer as a fraction reduced to lowest terms.  \n" );
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| Algebra.Com's Answer #188337 by edjones(8007)     You can put this solution on YOUR website! nCr=combination of n things taken r at a time. \n" ); document.write( "(7C1*23C1)/30C2 Prob of drawing one of each. \n" ); document.write( "=(7*23)/435=161/435 \n" ); document.write( "1-161/435=274/435 Probability of drawing 2 of the same color. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |