The joint density function for random variables X and Y is f(x, y). Find the conditional mean and variance of X given Y = 1

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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  1. The joint density function for random variables X and Y is f(x, y). Find the conditional mean and variance of X given Y = 1/2

 

   f(x,y) = 12/7(x^2 + xy)     0<x<1, 0<y<1

     0 elsewhere

 

  = _mean1/2________________       = _var1/2________________

 

 

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