document.write( "Question 1181145: A clinical test on humans of a new drug is normally done in three phases. Phase I is conducted with a relatively small number of healthy volunteers. For​ example, a phase I test of a specific drug involved only 5 subjects. Assume that we want to treat 5 healthy humans with this new drug and we have 9 suitable volunteers available.\r
\n" ); document.write( "\n" ); document.write( "If 5 subjects are selected from the 9 that are​ available, and the 5 selected subjects are all treated at the same​ time, how many different treatment groups are​ possible?\r
\n" ); document.write( "\n" ); document.write( "There are __ different treatment groups possible.
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Algebra.Com's Answer #811045 by Solver92311(821)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Do your own arithmetic\r
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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