ACET (Actuarial Common Entrance Test) Statistics: Questions 83  88 of 201
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Question number: 83
Question
In how many different ways can the letters of the word ‘CORPORATION’ be arranged so that the vowels always come together?
Choices
Choice (4)  Response  

a.  48000  
b.  47200  
c.  42000  
d.  50400 
Question number: 84
» Discrete Distributions » Binomial
Question
The mean and variance of a random variable having a binomial distribution are 4 and 2 respectively, then is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 85
» Continuous Random Variables » Probabilities
Question
Let X be a random variable with probability density function (pdf) given by
Find
Choices
Choice (4)  Response  

a.  0  
b. 
 
c. 
 
d. 

Question number: 86
» Continuous Random Variables » Probabilities
Question
X is a continuous random variable with probability density function Then the value of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 87
Question
The number of phone calls made by 16 students on a particular day are plotted in the following dot diagram
Choices
Choice (4)  Response  

a.  The mode of the calls is smaller than the median and the mean  
b.  The mean number of calls is greater than the median and the mode  
c.  The mean number of calls is greater than the median but lower than the mode  
d.  The mean number of calls is smaller than the median but larger than the mode 
Question number: 88
Question
A company has 11 software engineers and 7 civil engineers. In how many ways can they be seated in a row so that no two of the civil engineers will sit together?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  12!  
d.  11! 