Two continuous random variables Y₁ and Y₂ has the joint density function ( 2142, if y₁ > 0, y2 > 0, Y1 + Y2 < 2; 0, otherwise. f(y₁, y2) = a) Are Y₁ and Y2 independent? Verify your answer. b) Find the conditional pdf f(y2|y₁). c) Find Cov(Y1; Y2).

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Two continuous random variables Y₁ and Y₂ has the joint density function
if y₁ > 0, Y2 > 0, Y1 +Y2 < 2;
{
otherwise.
f(y₁, y2) =
y2,
Y2
0.
a) Are Y₁ and Y2 independent? Verify your answer.
b) Find the conditional pdf f(y2|y₁).
c) Find Cov(Y1; Y2).
Transcribed Image Text:Two continuous random variables Y₁ and Y₂ has the joint density function if y₁ > 0, Y2 > 0, Y1 +Y2 < 2; { otherwise. f(y₁, y2) = y2, Y2 0. a) Are Y₁ and Y2 independent? Verify your answer. b) Find the conditional pdf f(y2|y₁). c) Find Cov(Y1; Y2).
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