document.write( "Question 254698: Of a class of 25 students, 18 have brown eyes. If 2 students are chosen at random, what is the probability that both students have brown eyes. \n" ); document.write( "
Algebra.Com's Answer #187028 by edjones(8007)![]() ![]() You can put this solution on YOUR website! nCr=n!/((n-r)!r!) Combination of things r at a time. \n" ); document.write( ". \n" ); document.write( "18C2/25C2 \n" ); document.write( "=153/300 \n" ); document.write( "=.51 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |