Question: Suppose the random variables X, Y, and Z have the following joint probability distribution Determine the following: (a) P(X = 2) (b) P(X = 1,

Suppose the random variables X, Y, and Z have the following joint probability distribution

Determine the following:
(a) P(X = 2)
(b) P(X = 1, Y = 2)
(c) P(Z (d) P(X = 1 or Z = 2)
(e) E(X)

f(x, y, z) 0.05 1 0.10 0.15 0.20 0.20 0.15 2 0.10 0.05

f(x, y, z) 0.05 1 0.10 0.15 0.20 0.20 0.15 2 0.10 0.05

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