

1. 
Which statement is not true for a binomial experiment? 


A. 
The outcomes of each trial must be dependent. 


B. 
Each trial has exactly two outcomes. 


C. 
The probabilities in each trial must be independent. 


D. 
There must be a fixed number of trials. 


Hint 


2. 
Kyle guesses at all of the 5 questions of a multiple choice quiz. Find the probability that he gets exactly 3 answers correct if each question has 4 choices. 


A. 

B. 



C. 

D. 



Hint 


3. 
Francis guesses at all 6 true/false questions in a trivia game. What is the probability that he guesses correctly on at least 5 of the questions? 


A. 

B. 



C. 

D. 



Hint 


4. 
Eric guesses at all 8 questions on a true/false test. Find the probability that he got at least 6 correct. 


A. 
0.1618 
B. 
0.1445 


C. 
0.1353 
D. 
0.1528 


Hint 


5. 
Kathy guesses at all of the 10 questions on a multiple choice exam. Find the probability that she gets 3 questions correct if each question has 5 choices. 


A. 
0.1556 
B. 
0.1124 


C. 
0.1843 
D. 
0.2013 


Hint 

