In Exercise 5.9, we determined that f (y1, y2) = $ 6(1 y2), 0 y1 y2 1, 0, elsewhere is a
Chapter 5, Problem 5.77(choose chapter or problem)
In Exercise 5.9, we determined that f (y1, y2) = $ 6(1 y2), 0 y1 y2 1, 0, elsewhere is a valid joint probability density function. Find a E(Y1) and E(Y2). b V(Y1) and V(Y2). c E(Y1 3Y2).
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