

1. 
Raphael is conducting a survey of families with 2 children. If a family is selected at random, what is the probability that the family will have exactly 2 girls if the second child is a girl? 


A. 
1 
B. 



C. 

D. 



Hint 


2. 
A card is chosen at random from a standard deck of cards. Determine the probability of choosing a red card, given that the card is an ace. 


A. 

B. 



C. 

D. 



Hint 


3. 
Use the table below. Given that a student is in the seventh grade, what is the probability that she has brown eyes? 





A. 

B. 



C. 

D. 



Hint 


4. 
A pair of number cubes is rolled. What is the probability that the sum is odd given that the sum is greater than or equal to 9. 


A. 

B. 



C. 

D. 



Hint 


5. 
In Mrs. Lerman's classroom, 75% of the students wear watches, 30% wear eyeglasses, and 20% wear both watches and eyeglasses. A student is called to the board to explain a concept. If the student wears a watch, what is the probability that the student also wears eyeglasses? 


A. 

B. 



C. 

D. 



Hint 

