ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 231  235 of 472
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 472 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
How to register?
Question number: 231
» Probability » Bayes' Theorem and Applications
Question
A is known to tell the truth in 3 cases out of 8 and he states that a white ball was drawn from a bag containing 6 blacks and 2 white ball. Find the probability that the white ball was drawn.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 232
» Probability » Probability Distributions » Multinomial
Question
Which of the following statement is/are incorrect regarding Multinomial experiment?
Choices
Choice (4)  Response  

a.  There are fixed number of repeated trails. 

b.  Every trial has a fix possible number of outcomes. 

c.  The trials are dependent on each other. 

d.  Question does not provide sufficient data or is vague 

Question number: 233
» Probability » Conditional Probability
Question
Your neighbor has 2 children. You learn that he has a son, Rahul. What is the probability that Rahul’s sibling is a brother?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 234
» Probability » Probability Distributions » Poisson
Question
If water supply failures occur according to a Poisson distribution with an average of 5 failures every ten weeks, calculate the probability that there will not be more than one failure during a particular week
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 235
» Probability » Probability Distributions » Uniform
Question
The amount of time, in minutes, that a person must wait for a bus is uniformly distribute between 5 and 20 minutes, inclusive. On the average, how long must person wait?
Choices
Choice (4)  Response  

a.  7.5 minutes 

b.  12.5 minutes 

c.  10 minutes 

d.  None of the above 
