

1. 
An arrangement in which order is not important is a(n) ________. 


A. 
outcome 
B. 
combination 


C. 
permutation 
D. 
factorial 


Hint 


2. 
From a group of six students, four are to be chosen to form a committee. In how many ways can the committee be chosen? 


A. 
360 
B. 
30 


C. 
15 
D. 
720 


Hint 


3. 
If you have 10 CDs, and you want to take three of them with you on a road trip, how many different possibilities are there for which three you bring? 


A. 
3 
B. 
604,800 


C. 
120 
D. 
10 


Hint 


4. 
While at a local video rental store, 5 movies catch your eye, but you only want to rent 2. How many combinations are there? 


A. 
2 
B. 
10 


C. 
20 
D. 
5 


Hint 


5. 
Which situation is a combination? 


A. 
The number of ways 50 people can line up to enter a concert hall. 


B. 
The number of ways a coach can choose 3 cocaptains for a soccer team. 


C. 
The number of ways 3 books can be displayed in a store window. 


D. 
The number of ways a committee can choose a president, vicepresident, and treasurer. 


Hint 


