logo

Ask Questions, Get Answers

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

If $m$ and $\sigma^2$ are the mean and variance of the random variable X, whose distribution is given by: X=x: 0 1 2 3 P(X=x): 1/3 1/2 0 1/6 then:

$(1)\;m=\sigma ^2=2 \\ (2)\;m=1,\sigma ^2=1 \\ (3)\;m=\sigma ^2=1 \\ (4)\;m=2,\sigma ^2=1 $

Can you answer this question?
 
 

1 Answer

0 votes
(3) $m=\sigma ^2=1$
answered Nov 7, 2013 by pady_1
 

Related questions

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
...