ISS Statistics Paper I (New 2016 MCQ Pattern): Questions 284  287 of 404
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Question number: 284
» Probability » Probability Distributions » Negative Binomial
Question
In a sequence of independent Bernoulli trails, if denotes the number of failures before (fixed) success, then the expected value of will be ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 285
» Probability » Probability Distributions » Poisson
Question
Twenty sheets of copper alloy were examined for surface flaws. The frequency of the number of sheets with a given number of flaws per sheet was as follows:
Number of flaws

Frequency

0

4

1

3

2

5

3

2

4

4

5

1

What is the probability of finding a sheet chosen at random which contains 3 or more surface flaws?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 286
» Probability » Classical and Axiomatic Definitions
Question
Suppose we are tossing a fair die. If we say each of these outcomes has probability 1/6 then which perspective of probability are we using?
Choices
Choice (4)  Response  

a.  Classical and Empirical  
b.  Empirical  
c.  Classical  
d.  None of the above 
Question number: 287
» Probability » Probability Distributions » Bernoulli
Question
Consider be a sequence of Bernoulli distribution. Which of the following two statements are correct regarding if any measurable set ?
Statement 1:
Statement 2:
Choices
Choice (4)  Response  

a.  Only Statement 2 is correct.  
b.  Only Statement 1 is correct.  
c.  Neither Statement 1 nor Statement 2 is correct.  
d.  Both a. and b. are correct 