document.write( "Question 444761: given a class with 8 boys and 6 girls if you pick 3 students at random what is the probability of picking a group of 3 boys? And Picking a group of 2 girls and 1 boy. \n" ); document.write( "
Algebra.Com's Answer #306518 by edjones(8007)![]() ![]() You can put this solution on YOUR website! nCr=Combination of n things taken r at a time=n!/((n-r)!*r!) \n" ); document.write( "8C3/14C3 \n" ); document.write( "=56/364 \n" ); document.write( "=2/13 \n" ); document.write( ". \n" ); document.write( "(8C1)(6C2)/14C3 \n" ); document.write( "=8*15/364 \n" ); document.write( "=120/364 \n" ); document.write( "=30/91 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |