Problem 1 Let X, Y and Z be three jointly continuous random variables with joint PDF x + y 0 < x, y, z < 1 fxxz (x, Y, z) = otherwise 1. Find the joint PDF of X and Y. 2. Find the marginal PDF of X. 3. Find the conditional PDF of fxy|z (x, y|z) using fxyz (x, Y, z) fz(2) fxy|z (x, y|2) = 4. Are X and Y independent of Z?

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.4: Hyperbolas
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Problem 1
Let X, Y and Z be three jointly continuous random variables with joint PDF
x + y
0 < x, y, z < 1
fxYz (x, y, 2)
otherwise
1. Find the joint PDF of X and Y.
2. Find the marginal PDF of X.
3. Find the conditional PDF of fxYız (x, y|z) using
fxyz (x, y, z)
fxy|z (x, y|z) =
fz(2)
4. Are X and Y independent of Z?
Transcribed Image Text:Problem 1 Let X, Y and Z be three jointly continuous random variables with joint PDF x + y 0 < x, y, z < 1 fxYz (x, y, 2) otherwise 1. Find the joint PDF of X and Y. 2. Find the marginal PDF of X. 3. Find the conditional PDF of fxYız (x, y|z) using fxyz (x, y, z) fxy|z (x, y|z) = fz(2) 4. Are X and Y independent of Z?
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