Probability (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 97  100 of 205
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Question number: 97
» 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: 98
» Probability » Conditional Probability
Question
Consider the college applicant who has determined that he has 0.80 probability of acceptance and that only 60 % of the accepted students will receive dormitory housing. Of the accepted students who receive dormitory housing, 80 % will have at least one roommate. What is the probability of being accepted and receiving dormitory housing and having no roommates?
Choices
Choice (4)  Response  

a.  0.088 

b.  0.096 

c.  0.085 

d.  0.074 

Question number: 99
» 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: 100
» 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. 
