document.write( "Question 840911: 1. how many combinations of students are possible if the group is to consist of exactly 3 freshmen?
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Algebra.Com's Answer #506538 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "That's not enough information.  We'd have to know how many students are\r\n" );
document.write( "freshmen, sophomores, juniors, and seniors.\r\n" );
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document.write( "1. would be \r\n" );
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document.write( "C(number of freshmen,3}\r\n" );
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document.write( "2. would be \r\n" );
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document.write( "C(no. of freshmen,3)+C(no. of sophomores,3)+C(no. of juniors,3)+C(no. of seniors,3)\r\n" );
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document.write( "But we can't do it if we aren't given those numbers.\r\n" );
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document.write( "Edwin
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