Conditional Density 10/28

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$\begin{displaymath}f_{X\vert Y}(x\vert y)=\frac{f(x,y)}{f_Y(x)}\end{displaymath}$

$\begin{displaymath}P\{X\in A \vert Y=y\}=\int_A f_{X\vert Y}(x\vert y) dx\end{displaymath}$

I made detailed geometrical remarks in lectures, if you missed lecture please come and see me I have special handouts for you.

Susan Holmes
1998-12-07