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#1

$Old$ October 31st, 2009, 01:40 PM

selinunan $selinunan is offline$

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$Default$ Expectation and Variance

If anyone helps me with two questions attached, I will be thankful.

Selin

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#2

$Old$ November 1st, 2009, 02:21 AM

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Originally Posted by selinunan $View Post$

If anyone helps me with two questions attached, I will be thankful.

Selin

For the first question you are given enough information to write down joint density:

$f_{X,Y}(x,y)=f_{Y|X}(y|x)f_X(x)$

and the rest follows.

CB

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