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3. Let X, Xz be Independent Poisson random variable with parameter 2, = 2 and / 2 = 4 then X = Xz t X

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3. Let X, Xz be Independent Poisson random variable with parameter 2, = 2 and / 2 = 4 then X = Xz t X 2 ( a ) has a moment generating function ( (t ) = e 6 (et_ (6 ) is a Possion random variable with parameter 2 = 6 ( c ) all of the above (d ) None of the above DAC

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