A committee of 4 people is to be selected from 8 people. How many different committees are possible? Pick.
A) 28	B) 40	C) 56	D) 420	E) 336
Because the order does not matter in selecting 4 people for the committee, this is a combination question.   The number of ways to select 4 people from 8 = 8C4 = 8!/4!*4! = 420. Hence 420.
<result>D</result>
A committee of 4 people is to be selected from 8 people. How many different committees are possible?