ProbabilityProbability Distributions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 84  87 of 109
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Question number: 84
» Probability » Probability Distributions » Random Vectors
Question
What is the distribution function of a random variable which have following density function?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 85
» Probability » Probability Distributions » Beta
Question
If then has ________ distribution
Choices
Choice (4)  Response  

a.  Uniform 

b.  Normal 

c.  Cauchy 

d.  None of the above 

Question number: 86
» Probability » Probability Distributions » Joint and Marginal Distributions
Question
The cumulative distribution function for the joint distribution of the continuous random variables and is . What is the value of
Choices
Choice (4)  Response  

a.  0.9 

b.  3.2 

c.  4.1 

d.  None of the above 

Question number: 87
» Probability » Probability Distributions » Gamma
Question
Which of the following property is/are satisfied by a standard Gamma distribution with shape parameter ?
Choices
Choice (4)  Response  

a.  If , is decreasing with as . 

b.  If , is concave upward. 

c.  If, is concave downward and then upward, with inflection point at . 

d.  All a. , b. and c. are correct 
