Probability (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 168  171 of 205
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Question number: 168
» Probability » Characteristic Function
Question
Let random variables, be independent Poisson random variables. So if then, which of the following is the characteristic function of if ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 169
» Probability » Mathematical Expectation and Conditional Expectation
Question
Let and be independent; each is uniformly distributed on Let , then ________.
Choices
Choice (4)  Response  

a. 


b. 


c.  1 

d. 


Question number: 170
» Probability » Moment and Probability Generating Functions
Question
If and are independent discrete random variables with the nonnegative integers as range, and with distribution function then, what is the distribution of ?
Choices
Choice (4)  Response  

a.  Poission distribution 

b.  Geometric distribution 

c.  Negative binomial distribution 

d.  None of the above 

Question number: 171
» Probability » Moment and Probability Generating Functions
Question
Let be independent count r. v. s. If the are identically distributed, each with Probability generating function then has Probability generating function________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 
