Let (X, Y) be a pair of jointly continuous random variables with joint p.d.f. f (x, y) 3 0

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Let (X, Y) be a pair of jointly continuous random variables with joint p.d.f.
3
f (x, y) :
=, 0sx< 1, 2²< y< 1.
2'
(a)
Find the marginal p.d.f. fx(x) of X and the marginal p.d.f. fy (y) of Y.
(Ь)
Find the covariance Cov(X, Y) of X and Y.
(c)
Find the conditional p.d.f. fy|x(y|x) of Y given X = x, for any x E (0, 1).
(d)
Find the conditional expectation E(Y|X = 1/2) of Y given X = 1/2.
2.
Transcribed Image Text:Let (X, Y) be a pair of jointly continuous random variables with joint p.d.f. 3 f (x, y) : =, 0sx< 1, 2²< y< 1. 2' (a) Find the marginal p.d.f. fx(x) of X and the marginal p.d.f. fy (y) of Y. (Ь) Find the covariance Cov(X, Y) of X and Y. (c) Find the conditional p.d.f. fy|x(y|x) of Y given X = x, for any x E (0, 1). (d) Find the conditional expectation E(Y|X = 1/2) of Y given X = 1/2. 2.
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