2.16 Bivariate Random Variables Discrete Case Continuous Case ...
2.16 Bivariate Random Variables Discrete Case Continuous Case ...
2.16 Bivariate Random Variables Discrete Case Continuous Case ...
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<strong>2.16</strong> <strong>Bivariate</strong> RV’s<br />
Definition: If X and Y are jointly cts, then the marginal<br />
pdf’s of X and Y are, respectively,<br />
f X (x) =<br />
∫<br />
R<br />
f(x, y) dy<br />
and<br />
f Y (y) =<br />
∫<br />
R f(x, y) dx 18