

1. 
A music store has 2 new pop CDs, 3 new rap CDs, and 2 new rock CDs in this week. If you purchase 1 of each type, how many combinations are there? 


A. 
12 
B. 
10 


C. 
7 
D. 
15 


Hint 


2. 
Four coins are tossed. How many outcomes have two tails and two heads? 


A. 
16 
B. 
8 


C. 
6 
D. 
10 


Hint 


3. 
A sporting goods store sells ball caps in four sizes: S, M, L, and XL. Each hat is available in 5 colors and can be purchased with or without a logo. Find the number of combinations available. 


A. 
11 
B. 
20 


C. 
10 
D. 
40 


Hint 


4. 
Suppose you toss three quarters. What is the probability that exactly two of the coins will show tails? 


A. 

B. 



C. 

D. 



Hint 


5. 
Suppose you roll 2 number cubes. Find the probability that a total of less than 6 is shown on the number cubes. 


A. 

B. 



C. 

D. 



Hint 


