Statistics and Probability (NDA (National Defense Academy) Mathematics): Questions 1  7 of 41
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Question number: 1
» Statistics and Probability » Elementary Theorems on Probability
Question
What is the probability that a leap year selected at random contains 53 Saturdays?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Statistics and Probability » Measures of Central Tendency » Mode
Question
What is the mode for the data 18,18,18,18,19,19,20,20,20,20,20,20,21,21,22,22,22,23,23,23,23,24,24,25,25?
Choices
Choice (4)  Response  

a.  20  
b.  21  
c.  25  
d.  23 
Question number: 3
» Statistics and Probability » Definition of Probability
Appeared in Year: 2012
Question
Three Discs are thrown. What is the probability that the same number will appear on each of them?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 4
» Statistics and Probability » Elementary and Composite Events
Appeared in Year: 2012
Question
If four dice are thrown together, then what is the probability that the sum of the number appearing one them is 25?
Choices
Choice (4)  Response  

a.  1  
b.  1/2  
c.  1/1296  
d.  0 
Question number: 5
» Statistics and Probability » Union and Intersection of Events
Question
Out of first year students, passes in first semester and passed in the second semester. If did not pass in either semester, how many passed in both semesters?
Choices
Choice (4)  Response  

a.  200  
b.  100  
c.  120  
d.  110 
Question number: 6
» Statistics and Probability » Elementary Theorems on Probability
Question
What is the probability that a leap year selected at random contains 53 Mondays?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 7
» Statistics and Probability » Definition of Probability
Question
What is the number of ways that boys and girls can be seated so that boys and girls alternate?
Choices
Choice (4)  Response  

a.  1200  
b.  2172  
c.  1223  
d.  86,400 