Statistics and Probability (NDA (National Defence Academy) Mathematics): Questions 8  13 of 41
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Question number: 8
» Statistics and Probability » Random Variable as Function on a Sample Space
Appeared in Year: 2012
Question
 A continuous random variable can take all value in an interval.
 A random variable which take a finite number of values is necessarily discrete.
 Construction of a frequency distribution is based on data, which are discrete.
Which of the above statements are correct?
Choices
Choice (4)  Response  

a.  and only 

b.  and only 

c.  and only 

d.  and 

Question number: 9
» Statistics and Probability » Binomial Distribution
Question
The value of the term independent of in the expansion of is:
Choices
Choice (4)  Response  

a.  15 

b.  40 

c.  0 

d.  5 

Question number: 10
» Statistics and Probability » Definition of Probability
Appeared in Year: 2012
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.  12 

b.  120 

c.  144 

d.  72 

Question number: 11
» 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.  80 

b.  60 

c.  40 

d.  100 

Question number: 12
» Statistics and Probability » Union and Intersection of Events
Appeared in Year: 2012
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.  40 

b.  140 

c.  70 

d.  30 

Question number: 13
» Statistics and Probability » Measures of Central Tendency » Mode
Question
What is the mode for the data
35,35,35,35,36,37,37,37,38,38,38,38,38,38,38,38,38,38,39,39,39,39,39,39,40,40,40,41,41,42,42,42,42
Choices
Choice (4)  Response  

a.  42 

b.  38 

c.  41 

d.  35 
