The joint distribution of X and Y is given by f(x,y)= (exp(-y)/y) 0<x<y<infinity I need to compute E(X^2 + Y^2 | Y=y) can anyone please guide me on how to do this. Thank You very much for Your help
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Using you can calculate the integral And to find you have to calculate the integral
Originally Posted by gustavodecastro Using Why is this?
and
Last edited by matheagle; September 3rd 2009 at 05:10 PM.
is f(y) then =exp(-y) or Ei(-y)? and if f(y) is equal to exp(-y) is then E(X^2+Y^2|Y0Y) equal to [(exp(-2y)x^3)/3y]+[y^2] ? really appreciate the help
Originally Posted by gustavodecastro Using you can calculate the integral And to find you have to calculate the integral is it dy or dx in the end of the integral defining f(y)?
dx and
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