ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 200  203 of 471
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Question number: 200
» 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: 201
» 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: 202
» 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 

Question number: 203
» Probability » Classical and Axiomatic Definitions
Question
If Ω is a sample space the P (Ω) =________ and can be explained by ________ perspective of probability. The correct choice for filling the blanks is?
Choices
Choice (4)  Response  

a.  1 and axiomatic 

b.  0 and classical 

c.  1 and classical 

d.  1 and empirical 
