document.write( "Question 391743: How many ways can 5 students be chosen from a group of 4 juniors and 6 seniors to be on the prom committee if exactly 3 strudents must be seniors?\r
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Algebra.Com's Answer #278152 by sudhanshu_kmr(1152) You can put this solution on YOUR website! \n" ); document.write( "exactly 3 students must be seniors, so 2 from juniors\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "no. of ways = 4C2 * 6C3 = 6 * 15 = 90\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |