

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. 
15 


C. 
10 
D. 
7 


Hint 


2. 
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. 
20 
B. 
10 


C. 
11 
D. 
40 


Hint 


3. 
Five coins are tossed. How many outcomes have either four heads or four tails? 


A. 

B. 



C. 

D. 



Hint 


4. 
The Millers’ have four children. What is the probability that they have 1 boy and 3 girls? Assume that the chance of having either a boy or a girl is 50%. 


A. 

B. 



C. 

D. 



Hint 


5. 
The Millers’ have four children. What is the probability that the first three children were boys and the fourth child was a girl? Assume that the chance of having either a boy or a girl is 50%. 


A. 

B. 



C. 

D. 



Hint 


