ACET (Actuarial Common Entrance Test) Statistics: Questions 163  169 of 201
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Question number: 163
Question
There are six periods in each working day of a school. In how many ways can one organise 5 subjects such that each subject is allowed at least one period?
Choices
Choice (4)  Response  

a.  3200  
b.  3600  
c.  1800  
d.  All of the above 
Question number: 164
» Discrete Distributions » Poisson
Question
If X has Poisson Distribution with , find Given,
Choices
Choice (4)  Response  

a.  0.06  
b.  0.0402  
c.  0.402  
d.  0.05 
Question number: 165
» Types of Data » Boxplot
Question
The ages of students at a party are represented through the box plot below
Choices
Choice (4)  Response  

a.  Around Half the students are older than 14  
b.  Atleast 25 % of the students are 10 years old or older  
c.  The interquartile range for the given data is 2.5  
d.  Range of the age of the students is 9 
Question number: 166
» Continuous Distributions » Exponential
Question
If
Choices
Choice (4)  Response  

a.  1 Exp (1)  
b.  1  
c.  0  
d.  Question does not provide sufficient data or is vague 
Question number: 167
» Correlation and Regression » Regression
Question
It is given that and . The regression equation of X on Y is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 168
» Discrete Distributions » Poisson
Question
A random variable X has Poisson distribution with mean 2. Then is equal to
Choices
Choice (4)  Response  

a.  0  
b. 
 
c. 
 
d. 

Question number: 169
» Discrete Distributions » Poisson
Question
If 5 % of the electric bulbs manufactured by a company are defective, use Poisson distribution to find the probability that 5 bulbs will be defective in a sample of 100 bulbs. (Given
Choices
Choice (4)  Response  

a.  0.223  
b.  0.0823  
c.  0.82  
d.  0.1823 