Question: (2 points) The joint density function f(x, y) for two random variables X, Y is given by e-(x+y), f(x, y) = { 6*(*x* Find

(2 points) The joint density function f(x, y) for two random variables

(2 points) The joint density function f(x, y) for two random variables X, Y is given by e-(x+y), f(x, y) = { 6*(*x* Find P(X + Y 4), or equivalently, P(Y X+4). if x, y 0 otherwise

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