SOLUTION: Can you help me with this problem please? -> How many ways are there to choose a committee of 7 people from a group of 10 people?

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Question 472312: Can you help me with this problem please? -> How many ways are there to choose a committee of 7 people from a group of 10 people?
Answer by ewatrrr(10682) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

How many ways are there to choose a committee of 7 people from a group of 10 people?

 10C7 ways    |nCx = n%21%2F%28x%21%28n-x%29%21%29

 10C7 = 10!/7!3! = 10*9*8/2*3 = 5*3*8 = 120 ways