ProbabilityProbability Distributions (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 62  66 of 109
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Question number: 62
» Probability » Probability Distributions » Negative Binomial
Question
A standard, fair die is thrown until 5 sixes occur. Let denote the number of throws. Then variance of is ________.
Choices
Choice (4)  Response  

a.  900 

b.  150 

c.  250 

d.  All of the above 

Question number: 63
» Probability » Probability Distributions » Hypergeometric
Question
Which of the following statement is correct regarding Hyper geometric distribution?
Choices
Choice (4)  Response  

a.  Each individual of a population can be characterized as a success (S) or failure (F). 

b.  Hypergeometric random variable has larger variance than binomial random variable. 

c.  The population or set to be sampled consists of infinite number of elements. 

d.  Question does not provide sufficient data or is vague 

Question number: 64
» Probability » Probability Distributions » Hypergeometric
Question
An urn contain 20 balls out of which 8 are black and 12 are white. 5 balls are selected without replacement, then what is the probability that exactly 2 balls are white balls?
Choices
Choice (4)  Response  

a.  0.542 

b.  0.238 

c.  0.636 

d.  0.827 

Question number: 65
» Probability » Probability Distributions » Geometric
Question
If geometric distribution, then will have ________.
Choices
Choice (4)  Response  

a.  Uncountable and possibly infinite number of possible values. 

b.  Countable but possibly infinite number of possible values. 

c.  Countable possibly finite number of possible values. 

d.  Uncountable number of possible values. 

Question number: 66
» Probability » Probability Distributions » Cauchy
Question
The Student distribution with one degree of freedom has PDF________.
Choices
Choice (4)  Response  

a. 


b.  Standard Cauchy distribution 

c.  Question does not provide sufficient data or is vague 

d.  None of the above 
