document.write( "Question 469740: An urn contains 10 numbered balls, of which 6 are red and 4 are blue. A sample of 4 balls is to be selected. How many samples contains 2 red and 2 blue balls. \n" ); document.write( "
Algebra.Com's Answer #322244 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 6C2 * 4C2 \n" ); document.write( "=15*6 \n" ); document.write( "=90 samples contains 2 red and 2 blue balls. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |