Suppose X, Y, and Z have a trivariate distribution described by the joint pdf pX,Y,Z(x, y, z)

Question:

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.
Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...