document.write( "Question 373850: Find the probability of randomly selecting 2 mathematics books and 3 physics books from a box containing 4 mathematics books and 8 physics books. \n" ); document.write( "
| Algebra.Com's Answer #266044 by edjones(8007)     You can put this solution on YOUR website! nCr=combination of n things taken r at a time. \n" ); document.write( "(4C2 * 8C3)/5C12 \n" ); document.write( "=(6*56)/792 \n" ); document.write( "=336/792 \n" ); document.write( "=.4242 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |