Question: Suppose X, Y, and Z have a trivariate distribution described by the joint pdf pX,Y,Z(x, y, z) = xy + xz + yz/54 where x,

Suppose X, Y, and Z have a trivariate described by the joint pdf
pX,Y,Z(x, y, z) = xy + xz + yz/54
where x, y, and z can be 1 or 2. Tabulate the joint conditional pdf of X and Y given each of the two values of z.

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