document.write( "Question 380491: There are 10 puppies in a cage, of which 6 are male and 4 are female. If you select three puppies at random, what is the probability that they will be the same gender? \n" ); document.write( "
Algebra.Com's Answer #270096 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( "(6C3 + 4C3)/10C3 \n" ); document.write( "=(20+4)/120 \n" ); document.write( "=1/5 the probability that they will be the same gender. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |