Re: Discussion Problem_(28)

Posted by Sumit on Jun 05, 2013; 2:53pm
URL: http://discussion-forum.276.s1.nabble.com/Discussion-Problem-28-tp7581662p7581804.html

Expected Value Of random variable X=Integral(limit -infinity to +infinity)xP(x) dx..
where Pdf Given P(x)=3x^2 for 0<x<1..

Now Area of rectangle =x(1-x)
As we can see area of the Rectangle is the function of random variable x.

The E[x(1-x)]=Integral(limit zero to one)x(1-x)*3x^2 dx=3/20.