document.write( "Question 545413: A class of first graders includes 7 girls and 14 boys, 2 students are selected at random to be the teachers assistant on a given day. What is the probability that both are boys? \n" ); document.write( "
Algebra.Com's Answer #355589 by stanbon(75887) ![]() You can put this solution on YOUR website! A class of first graders includes 7 girls and 14 boys, 2 students are selected at random to be the teachers assistant on a given day. What is the probability that both are boys? \n" ); document.write( "------------------------------ \n" ); document.write( "# of ways to succeed: 14C2 = 91 \n" ); document.write( "---- \n" ); document.write( "# of random pairs: 21C2 = 210 \n" ); document.write( "================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "======= \n" ); document.write( " |