

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


A. 
permutation 
B. 
combination 


C. 
factorial 
D. 
outcome 


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. 
30 
B. 
360 


C. 
720 
D. 
15 


Hint 


3. 
How many ways can 3 CDs be selected from a stack of 7 different CDs? 


A. 
245 
B. 
35 


C. 
5040 
D. 
6 


Hint 


4. 
An art gallery has 10 paintings to display. Six of the paintings are to be used for a new exhibit. Is this situation a permutation or combination? How many choices of paintings are possible? 


A. 
combination; 210 
B. 
combination; 151,200 


C. 
permutation; 151,200 
D. 
permutation; 210 


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 


