ProbabilityProbability Distributions (ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern)): Questions 55  57 of 109
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Question number: 55
» 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: 56
» Probability » Probability Distributions » Bernoulli
Question
Consider be a sequence of Bernoulli distribution. Which of the following two statements are correct regardingif 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 

Question number: 57
» Probability » Probability Distributions » Cauchy
Question
If has the standard Cauchy distribution and that and . Then satisfy following options:
Choices
Choice (4)  Response  

a.  It has distribution function 

b.  It has pdf 

c.  None of the above 

d.  All of the above 
