Question: The bivariate random variable (X, Y) has equal probabilities on the following support set: {(1, 0), (0, 1), (-1, 0), (0, -1)}. This means that

The bivariate random variable (X, Y) has equal probabilities on the following support set: {(1, 0), (0, 1), (-1, 0), (0, -1)}. This means that (X, Y) has probability 0.25 for every one of the four points in {(1, 0), (0, 1), (-1, 0), (0, -1)}. Are X and Y independent random variables or not?

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