ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 281  285 of 471
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Question number: 281
» 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 

Question number: 282
» Probability » Probability Distributions » Poisson
Question
Suppose 1 in 5000 balls are defective. Let denote the number of defective balls in a group of size 10000. What is the chance that at least 2 of them is defective?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 283
» Probability » Probability Distributions » Uniform
Question
The average number of biscuits a tenyear old child eats per day is uniformly distributed from 2 to 5 biscuits, inclusive. Find the probability that a tenyear old child eats an average of more than three biscuits given that his or her amount is more than 2.5.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 284
» Probability » Probability Distributions » Normal
Question
Suppose a sample of bulbs of same type are obtained at random from an ongoing production process in which of all such bulbs produced are defective. What is the probability that I such a sample 150 or fewer bulbs will be defective?
Choices
Choice (4)  Response  

a.  0.725 

b.  0.975 

c.  0.025 

d.  0.535 

Question number: 285
» Probability » Probability Distributions » Binomial
Question
Examine the following curves and choose the incorrect option regarding them.
Choices
Choice (4)  Response  

a.  A and B both follows binomial distribution 

b.  A and B have same small value of the number of independent trials. 

c.  B have large probability of success. 

d.  None of the above 
