

1. 
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 


2. 
In Mr. Jonas' homeroom, 70% of the students have brown hair, 25% have brown eyes, and 5% have both brown hair and brown eyes. A student is excused early to go to a doctor's appointment. If the student has brown hair, what is the probability that the student also has brown eyes? 


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. 
Using a standard deck of 52 cards, find the probability of choosing a 10 given that the card is red. 


A. 

B. 



C. 

D. 



Hint 


5. 
A bag contains 5 blue marbles and 8 brown marbles. One marble is randomly drawn and discarded. Then a second marble is drawn. Find the probability that the second marble is blue given that the first marble drawn was brown. 


A. 

B. 



C. 

D. 



Hint 

