There are 8 people on the ballot for regional judges Voters
There are 8 people on the ballot for regional judges. Voters can vote for any 4. Voters can choose to vote for 0¸ 1¸ 2¸ 3¸ or 4 judges. In how many different ways can a person vote?
A. 5
B. 56
C. 70
D. 163
Solution
Number of different ways :
= 8 C 0 + 8 C 1 + 8 C 2 + 8 C 3 + 8 C 4
=> 1 + 8 + 28 + 56 + 70
= 163
Option D is the answer.
