ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 206  209 of 469
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Question number: 206
» Probability » Distribution Functions and Properties
Question
Which of the following is a property of a renewable process?
Choices
Choice (4)  Response  

a.  Inter arrival intervals are negative 

b.  Inter arrival intervals may be identically distributed 

c.  Inter arrival intervals are positive 

d.  None of the above 

Question number: 207
» Probability » Probability Distributions » Exponential
Question
Suppose that has the exponential distribution with rate parameter . Then which of the following statement is/are correct regarding it?
Choices
Choice (4)  Response  

a.  has the geometric distributions on with success parameter . 

b.  has the geometric distributions on with success parameter . 

c.  Both a. and b. are correct 

d.  None of the above 

Question number: 208
» Probability » Probability Distributions » Negative Binomial
Question
Which of the following statement is/are correct?
Choices
Choice (4)  Response  

a.  Pascal distribution is a special case of negative binomial distribution on with parameter and , when k is a positive integer. 

b.  Pascal distribution is a special case of Normal distribution with parameter , when 

c.  The pdf of Pascal distribution is symmetric. 

d.  All of the above 

Question number: 209
» Probability » Classical and Axiomatic Definitions
Question
The following below shows the number of heads appearing when 8 coins are tossed.
x  0  1  2  3  4  5  6  7  8 
f  1  9  26  59  72  52  26  7  1 
The probability of getting heads less than 4 is?
Choices
Choice (4)  Response  

a.  0.21 

b.  0.27 

c.  0.37 

d.  None of the above 
