Consider a pair of random variables x y with constant joint
Consider a pair of random variables X, Y with constant joint density on the triangle with vertices at (0, 0), (3, 0), and (0, 3).
a. Find the expected value of the sum of X and Y , i.e., find E(X + Y ).
b. Find the variance of X, i.e., find Var(X).
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consider a pair of random variables x y with constant joint density on the triangle with vertices at 0 0 3 0 and 0 3a
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