Question 316510
 Need help with a question: 
Twelve students in a Business Statistics class are to be formed into three teams of four. How many different ways can this be done? 
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Groups of 4 taken from set of 12: 12C4 = 12!/(8!*4!)
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= (12*11*10*9)/(1*2*3*4)
=495
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Cheers,
Stan H.