ACET (Actuarial Common Entrance Test) Statistics: Questions 1  5 of 81
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Question number: 1
» Probabilities » Conditional Probabilities
Question
A fair coin is tossed 10 times. Find the probability of getting exactly 6 heads.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Continuous Distributions » Exponential
Question
A checkout counter at a supermarket completes the process according to an exponential distribution with a service rate of 6 per hour. A customer arrives at the checkout counter. The probability that the service is completed in fewer than five minutes will be given by
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 3
» Discrete Distributions » Poisson
Question
A bank has an average random arrival rate of 3.2 customers every 4 minutes. What is the probability of getting exactly 10 customers during an 8minute interval?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 4
Question
Ten players of Team A made an average of 63 runs, ten players of team B made an average of 77 runs and ten players of Team C made an average of 70 runs. The average run made by all the three teams is
Choices
Choice (4)  Response  

a.  100  
b.  75  
c.  70  
d.  60 
Question number: 5
» Continuous Random Variables » Coefficient of Skewness
Question
For two series X and Y which are correlated, the lines of regression of Y on X and X on Y are respectively and , also find
Choices
Choice (4)  Response  

a.  3  
b.  4  
c.  2  
d.  1 