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  3. 3 suppose x y are discrete random variables taking values...

Question: 3 suppose x y are discrete random variables taking values...

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3. Suppose X, Y are discrete random variables taking values in -1,0,1) and their joint probability mass function is 0 0 0 where a, b are two positive real numbers. (i) Find the values of a and b such that X and Y are uncorrelated (ii) Show that X and Y cannot be independent

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