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The joint distribution of the random variable X and Y is given in the following table: X 2 3 Y 4 a 1/30 2/30 a

The joint distribution of the random variable X and Y is given in the following table: X 2 3 Y 4 a 1/30 2/30 a 2a 2/30 4/30 2a 3a 3/30 6/30 3a Then P(X + Y is even) = O 7/15 O 8/15 O 13/30 O 11/30

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