document.write( "Question 691568: There are 8 blue and 5 black socks in a drawer. In the dark you randomly chose two socks; what is the probability that they formed a pair. \n" ); document.write( "
Algebra.Com's Answer #426769 by stanbon(75887)\"\" \"About 
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There are 8 blue and 5 black socks in a drawer. In the dark you randomly chose two socks; what is the probability that they formed a pair.
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\n" ); document.write( "# of ways to succeed: 8C2 + 5C2 = 28 + 10 = 38 ways
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\n" ); document.write( "# of possoble pairs: 13C2 = 78
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\n" ); document.write( "Ans: 38/78 = 19/39
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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