Question: 1. Let the joint probability mass function of random variables X and Y be given by p(x, y) = 1 25(x2 +

1. Let the joint probability mass function of random variables X and Y be given by p(x, y) =    1 25(x2 + y2 ) if x = 1, 2, y = 0, 1, 2 0 elsewhere. Are X and Y independent? Why or why not?

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