

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


A. 
outcome 
B. 
combination 


C. 
factorial 
D. 
permutation 


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. 
15 
B. 
360 


C. 
720 
D. 
30 


Hint 


3. 
A group of 10 students is to be divided into 2 groups of 5. How many ways is this possible? 


A. 
30,240 
B. 
252 


C. 
10 
D. 
120 


Hint 


4. 
You have an assignment for an art class to paint a painting using only four colors. Visiting an art store, you find 20 colors from which to choose. How many different combinations of colors are there? 


A. 
116,280 
B. 
74 


C. 
4,845 
D. 
24 


Hint 


5. 
Which situation is a combination? 


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


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


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 


