ACET (Actuarial Common Entrance Test) Statistics: Questions 190  195 of 201
Access detailed explanations (illustrated with images and videos) to 201 questions. Access all new questions tracking exam pattern and syllabus changes. View the complete topicwise distribution of questions. Unlimited Access for Unlimited Time!
View Sample Explanation or View Features.
Rs. 200.00 or
How to register?
Question number: 190
» Probabilities » Independence of Events
Question
Three coins are tossed simultaneously. Consider the event E ‘three heads or three tails’, F ‘at least two heads’ and G ‘at most two heads’. Of the pairs and which are independent?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 191
» Discrete Distributions » Binomial
Question
If the probability of a defective bolt is 1/10. Find the mean and standard deviation for the distribution in a total of 400.
Choices
Choice (4)  Response  

a.  40,6  
b.  50,40  
c.  100,40  
d.  40,36 
Question number: 192
» Probabilities » Basic Rules of Probabilities
Question
While shuffling a pack of 52 playing cards, 2 are accidentally dropped. Find the probability that the missing cards are of different colours.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 193
» Correlation and Regression » Correlation Coefficient
Question
For a bivariate data, you are given the following information:
Find the coefficient of correlation between X and Y series.
Choices
Choice (4)  Response  

a.  0.8  
b.  0.9  
c.  0.723  
d.  0.45 
Question number: 194
» Discrete Distributions » Poisson
Question
If X has poisson distribution with parameter and Find Given, .
Choices
Choice (4)  Response  

a.  0.8120  
b.  0.9120  
c.  0.1988  
d.  0.8012 
Question number: 195
» Discrete Random Variables » Variance
Question
Find the variance given the following probability distribution
X  0  1  2  3 
P (X) 




Choices
Choice (4)  Response  

a. 
 
b.  3  
c. 
 
d. 
