ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 308  310 of 471
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 471 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 308
» 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 

Question number: 309
» Probability » Probability Distributions » Beta
Question
For a standard Beta distribution having pdf , with parameter , which of the following statements is/are correct?
Choices
Choice (4)  Response  

a.  If is increasing with 

b.  If is decreasing with mode at 

c.  If is increasing with mode at 

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

Question number: 310
» Probability » Probability Distributions » Conditional Distributions
Question
Suppose that the joint density of and is
and zero otherwise. Which of the following is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

