
Question 1 
If two dice are rolled, there is ________________________. 
A.  one in two chance of rolling a pair  B.  one in six chance of rolling a pair 
C.  one in eight chance of rolling a pair  D.  none of the above 
 
  

Question 2 
A dice and a coin is rolled at the same time. What is the probability of getting five and tail? 
A.  1/10  B.  1/6 
C.  2/7  D.  1/12 
 
  

Question 3 
There are 15 groups of poker players in a hall including a group from Seattle. Each group has 4 players. If the organizer selects only 5 groups for the first round, what is the probability that the group from Seattle is selected?

A.  1/4  B.  4/15 
C.  1/3  D.  4/5 
 
  

Question 4 
Two sixsided dice are rolled. Find the probability that the sum is 10. 
A.  1/4  B.  1/12 
C.  1/6  D.  1/9 
 
  

Question 5 
If you roll a number cube labeled 16 once, how likely is it that you would randomly roll a number less than 5? 
A.  2/3  B.  2/5 
C.  5/6  D.  1/12 
 
  


Question 6 
If the probability of an event is 0.39, what is the probability of its complement? 
A.  0.33  B.  0.71 
C.  0.61  D.  0.78 
 
  

Question 7 
The odds of an event are the ________________. 
A.  ratio of favorable outcomes to possible outcomes.  B.  ratio of 1 to favorable outcomes. 
C.  ratio of possible outcomes to unfavorable outcomes.  D.  ratio of favorable outcomes to unfavorable outcomes. 
 
  

Question 8 
John tossed a coin two times, what are the odds for it landing heads at least once? 
A.  1 : 6  B.  1 : 4 
C.  3 : 4  D.  2 : 5 
 
  

Question 9 
Which event will have an equally likely chance of happening? 
A.  If an event has a 5% chance of happening  B.  If an event has a 50% chance of happening 
C.  If an event has a 100% chance of happening  D.  If an event has a 0% chance of happening 
 
  

Question 10 
Aspen has 10 cards on her table. She wrote letter Z on 2 of them and letter Y on 8 of them. What are the odds that someone would randomly picks a card with letter Z? 
A.  2 : 5  B.  1 : 5 
C.  2 : 8  D.  1 : 4 
 
  
