ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 243  246 of 471
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Question number: 243
» Probability » Bayes' Theorem and Applications
Question
Suppose a man have two bags each containing black and white balls. One bag contains three times as many white balls as blacks. The other bag contains three times as many black balls as white. Suppose he choose one of these bags at random. From that bag he select five balls at random, replacing each ball after it has been selected. He found 4 white balls and one black in the result. What is the probability that he was using the bag with mainly white balls?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  Question does not provide sufficient data or is vague 

Question number: 244
» Probability » Distribution Functions and Properties
Question
Which of the following statement is/are incorrect regarding a cumulative distribution function ?
Choices
Choice (4)  Response  

a.  is increasing 

b.  is continuous from the right. 

c.  have limits from left 

d.  None of the above 

Question number: 245
» Probability » Probability Distributions » Multinomial
Question
If where, then, ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 246
» Probability » Probability Distributions » Bernoulli
Question
If is a Bernoulli trials process with parameter, then will be ________with parameter________?
Choices
Choice (4)  Response  

a.  Bernoulli trials, 

b.  Bernoulli trials, 1 

c.  Non Bernoulli trials, 

d.  All of the above 
