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?(?,?) = ?+?+3 ?? ??? ? = ?,?,?,?; ? = ?,?,? a) Is it a continuous...

?(?,?) = ?+?+3 ?? ??? ? = ?,?,?,?; ? = ?,?,? a) Is it a continuous or discrete function? b) Can it be a probability distribution function? Explain. c) For what value or values of 3 this function can be a probability distribution function? d) Using a proper value of "3" (that makes the function a probability distribution function) marginal distribution function h(y).

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