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12. X = 3. 4, 5, and 7; Y = -1, 0, 1, and 2; compute _X Y and E(X - 2)(Y - 3) 13.

12. X = 3. 4, 5, and 7; Y = -1, 0, 1, and 2; compute _X Y and E(X - 2)(Y - 3) 13. X = 4, 5. 6, and 9: Y = -1, -1, 1, and 2; compute ()XY) and E(X -5)(Y + 1)

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