Calculate the marginal probability mass functions

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Reference no: EM13228723

Define X and Y to be two discrete random variables whose joint probability mass function is given as follows: P(X = m, Y = n) = e^7*4^m*3^n?m / m!(n m)! , for m = 0, 1, . . . , n and n = 0, 1, 2, . . . , while P(X = m, Y = n) = 0 for other values of m, n. Calculate the marginal probability mass functions for the random variables X and Y . Check whether X and Y are statistically independent random variables.

Reference no: EM13228723

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