Statistics, Random Variable, Data Science, Mathematics, Statistical Learning.
Variables defined in the same probability space. Range of X = Tx Range of Y = Ty Then Fₓᵧ(x,y) is a function from Tx × Ty to [0,1] F(t₁ , t₂) = P( X=t₁ and Y=t₂ ) such that t₁ ∈ Tx and t₂ ∈ Ty P(X,Y) means P(X and Y) here When we write Joint PMF it is written usually in form of a table or matrix