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).

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