2 let x and x have the joint pmf p x1 x2 tm 3 2 x 1 2 3 and x2 1 2 3 z
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2. Let X₁ and X₂ have the joint pmf p(x1, x2) = ™3²2, x₁ = 1, 2, 3 and x2 = 1, 2, 3, zeroX₁ X₂ and Y₂ = X2, and then find the marginal=elsewhere. Find the joint pmf of Y₁pmf of Y₁.
