=4/3
=2
=2/9
=2/3
=2/3
V(y)=2/3-(2/3)^2
=2/9
Here x and y are independent
So,
E(xy)=E(x)E(y)
=(4/3)*(2/3)
=8/9
=4V(x)+9V(y)
=4*2/9 +9*2/9
=26/9
Let X and Y be independent random variables with pdf 2-y , 0sys2 2 f(x) 0,...
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