ISS (Statistical Services) Statistics Paper I (New 2016 MCQ Pattern): Questions 320  322 of 461
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 461 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 320
» Probability » Probability Distributions » Beta
Question
A company produces bulbs that have a probability of being defective. The manufacturer does not know , but from past experience he expects this probability to be equal to . Furthermore, he quantifies his uncertainty about by attaching a standard deviation of to his estimate. After consulting with an expert in statistics, the manufacturer decides to use a Beta distribution to model her uncertainty about . What values of parameter will he use for making his assumptions true?
Choices
Choice (4)  Response  

a. 


b.  α=2.59, β=49.21 

c. 


d.  Question does not provide sufficient data or is vague 

Question number: 321
» Probability » Modes of Convergences of Sequences of Random Variables » In Mean Square
Question
If in mean, then ________.
Choices
Choice (4)  Response  

a.  almost everywhere 

b.  in distribution. 

c.  in probability. 

d.  Both b. and c. are correct 

Question number: 322
» Probability » Probability Distributions » Beta
Question
Suppose Suppose is a random variable such that the conditional distribution of given is negative binomial with stopping parameter and success parameter . Then conditional distribution given follows ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 
