ProbabilityProbability Distributions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 75  77 of 109
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Question number: 75
» Probability » Probability Distributions » Joint and Marginal Distributions
Question
If is the density function for the joint distribution of the continuous random variables and defined over the unit square bounded by the points and then the value of is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 76
» Probability » Probability Distributions » Random Vectors
Question
The joint density function of two continuous random variables and is
What is the value of ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 77
» Probability » Probability Distributions » Gamma
Question
Which of the following statements is/are correct regarding Gamma distribution with parameters?
Choices
Choice (4)  Response  

a.  If represents identically distributed, independent gamma random variables with parameters and , then if , 

b.  If represents identically distributed, independent gamma random variables with parameters and , then also have a gamma distribution with parameters and . 

c.  If the gamma density function is reduced to the exponential density function. 

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