SOLUTION: In how many ways can 12 people be divided into two groups if one group has 8 people and the other has 4? A)40,320 B)495 C)60 D)1,485 E)11,880

SOLUTION: In how many ways can 12 people be divided into two groups if one group has 8 people and the other has 4? A)40,320 B)495 C)60 D)1,485 E)11,880

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Question 1189618: In how many ways can 12 people be divided into two groups if one group has 8 people and the other has 4?
A)40,320 B)495 C)60 D)1,485 E)11,880
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
.


In   =  = 495 different ways.

Solved.

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Notice that if one group of 4 is selected, then the other group of 8 is just formed automatically: they are the remaining 8 persons.

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