document.write( "Question 440273: There are 27 students in a class, 14 are girls. If 5 students got an A on a test, what is the probability that it was 3 boys and 2 girls?\r
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Algebra.Com's Answer #304174 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! There are 27 students in a class, 14 are girls. If 5 students got an A on a test, what is the probability that it was 3 boys and 2 girls?\r \n" ); document.write( "\n" ); document.write( "--- \n" ); document.write( "# of ways to pick 2 girls: 14C2 \n" ); document.write( "# of ways to pick 3 boys: 13C3 \n" ); document.write( "------ \n" ); document.write( "# of ways to pick 5 students 27C5 \n" ); document.write( "------ \n" ); document.write( "P(3 boys and 2 girls) = [14C2*13C3]/[27C5] = 0.3224 \n" ); document.write( "=========== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |