Probability (ISS Statistics Paper I (New 2016 MCQ Pattern)): Questions 101  105 of 205
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Question number: 101
» 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 

Question number: 102
» Probability » Conditional Probability
Question
Suppose that five good bulbs and two defective ones have been mixed up. To find the defective bulbs, we test them onebyone, at random and without replacement. What is the probability that we are lucky and find both of the defective fuses in the first two tests?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 103
» Probability » Probability Distributions » Hypergeometric
Question
A box contain 2000 items of which are defective. Find the probability that 2 defectives will be obtained in a sample of size 10 without replacement.
Choices
Choice (4)  Response  

a.  0.193 

b.  0.923 

c.  0.388 

d.  0.347 

Passage
The random number generator in Excel is set to produce numbers at random from 4 to 20 using a rectangular distribution.
Question number: 104 (1 of 2 Based on Passage) Show Passage
» Probability » Probability Distributions » Rectangular
Question
The probability of getting a value less than 8 is________ and is________.
Choices
Choice (4)  Response  

a.  0.50 and 0.25 

b.  0.25 and 0.50 

c.  0.125 and 0.25 

d.  All of the above 

Question number: 105 (2 of 2 Based on Passage) Show Passage
» Probability » Probability Distributions » Rectangular
Question
Define event A to be a number is less than 8 and define event B to be a number is in the interval . Then, which of the following relation is correct among A and B?
Choices
Choice (4)  Response  

a.  A and B are independent. 

b.  A and B are mutually exclusive. 

c.  A and B are mutually exhaustive. 

d.  All of the above 
