ISS Statistics Paper I (New 2016 MCQ Pattern): Questions 253  256 of 404
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Question number: 253
» 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 

Question number: 254
» Probability » Discrete and Continuous Random Variables
Question
Z is the number of reading sessions a randomly chosen public library offers in their literacy program for kids. Is the random variable Z discrete or continuous?
Choices
Choice (4)  Response  

a.  Discrete 

b.  Continuous 

c.  Sometime discrete sometime continuous 

d.  Can’t say anything 

Question number: 255
» Probability » Probability Distributions » Exponential
Question
If be independent random variables, with having an distribution. Then the distribution of min is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

Question number: 256
» Probability » Probability Distributions » Bernoulli
Question
Suppose that a student takes a multiple choice test. The test has 20 questions, each of which has 4 possible answers (only one correct). If the student blindly guesses the answer to each question, do the questions form a sequence of Bernoulli trials? What will be the parameter (probability of giving correct answer)?
Choices
Choice (4)  Response  

a.  Yes and 

b.  No but 

c.  Can’t say anything 

d.  Insufficient information. 
