A committee of 5 people is to be selected from 7 people. How many different committees are possible?
Choose the correct choice from the following choices.
A) 21
B) 40
C) 56
D) D.168
E) 336
Because the order does not matter in selecting 5 people for the committee, this is a combination question.   The number of ways to select 5 people from 7 = 7C5 = 7!/5!*2! = 21. Hence 21
<result>A</result>
A committee of 5 people is to be selected from 7 people. How many different committees are possible?