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SOLUTION REQUIRED WITH COMPLETE STEPS Let X and Y be discrete random variables, their joint pmf...

SOLUTION REQUIRED WITH COMPLETE STEPS

Let X and Y be discrete random variables, their joint pmf is given as Px,y = ?(? + ? − 2)/(B + 1) for 1 < X ≤ 4, 1 < Y ≤ 4 (Where B=2)

a) Find the value of ?

b) Find the marginal pmf of ? and ?

c) Find conditional pmf of ? given ? = 3

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