Name: 
 

AP Statistics Review Quiz 5a


Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 
A randomly selected student is asked to respond to yes, no, or maybe to the question, “Do you intend to vote in the next presidential election?”  The sample space is {yes, no, maybe}.  Which of the following represent a legitimate assignment of probabilities for this sample space?
a.
0.4, 0.4, 0.2
b.
0.4, 0.6, 0.4
c.
0.3, 0.3, 0.3
d.
0.5, 0.3, –0.2
e.
None of the above
 

 2. 
If you choose a card at random from a well-shuffled deck of 52 cards, what is the probability that the card chosen is not a heart?
a.
0.25
b.
0.50
c.
0.75
d.
1
e.
None of the above
 

 3. 
You play tennis regularly with a friend, and from past experience, you believe that the outcome of each match is independent.  For any given match you have a probability of .6 of winning.  The probability that you win the next two matches is
a.
0.16
b.
0.36
c.
0.4
d.
0.6
e.
1.2
 

 4. 
If P(A) = 0.24 and P(B) = 0.52 and A and B are disjoint, what is P(A or B)?
a.
0.1248
b.
0.28
c.
0.6352
d.
0.76
e.
The answer cannot be determined from the information given
 



 
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