logo

Ask Questions, Get Answers

 
X
 Search
Want to ask us a question? Click here
Browse Questions
Ad
Home  >>  EAMCET  >>  Mathematics
0 votes

The probability distribution of a random variable X is given by

X=x 0 1 2 3 4
P(X=x) 0.4 0.3 0.1 0.1 0.1

The variance of X is 

$(a)\;1.76 \\(b)\;2.45 \\(c)\;3.2 \\(d)\;4.8 $

Can you answer this question?
 
 

1 Answer

0 votes
(a) 1.76
answered Nov 7, 2013 by pady_1
 
Ask Question
student study plans
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...