Search
 
 
Variable
 
Characters remaining : 3000
 
Report
Salman93 asks : what is the law of the variable proportion. 
Category : General Economics |  On : 2012-01-22 01:46:03
Report
Ankit ambasta asks : if the coefficient of correlation between two variable X and Y , p=1 then the angle between the lines of regression is ? 
Category : Mathematics |  On : 2010-07-14 11:36:58
 
Alesh kumar says :
27/07/2010 07:25:42
45
Report
Ankit ambasta asks : If a random variable x has the following probability distribution X:- -1 -2 1 2 Prob:- 1/3 1/6 1/6 1/3 then E(X) is ? 
Category : Mathematics |  On : 2010-07-14 11:31:40
 
Neethu says :
05/08/2010 12:10:16
E(x)=∑xf(x) Where f(x) is probability density function. Therefore E(x)= (-1)*(-1/3)+-2*(1/6)+1*(1/6)+2*(1/3) =1/6+2/3 =5/6 E(x) =5/6
Report
Ankit ambasta asks : if a random variable x has the following probability distribution X:- -1 -2 1 2 Prob:- 1/3 1/6 1/6 1/3 
Category : Mathematics |  On : 2010-07-14 11:30:12
 
Neethu says :
05/08/2010 08:36:44
E(x)=5/6
Previous1Next