

1. 
Five coins are tossed. How many outcomes have either four heads or four tails? 


A. 

B. 



C. 

D. 



Hint 


2. 
A computer store offers a computer with a 15, 17, or 19inch monitor and an inkjet or laser printer. Make a tree diagram to show the different ways a computer can be sold with a monitor and printer. 


A. 



B. 



C. 



D. 



Hint 


3. 
Suppose you toss three quarters. What is the probability that exactly two of the coins will show tails? 


A. 

B. 



C. 

D. 



Hint 


4. 
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 


5. 
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 


