Question: The random variables and have the joint PMF , (,)={(+) 2 , 0, if{1,2,4}and{1,3}, otherwise. Find the value of the constant. Find (=) Find the

The random variables

and

have the joint PMF

,

(,)={(+)

2

,

0,

if{1,2,4}and{1,3},

otherwise.

Find the value of the constant.

Find(=)

Find the expectations[] and[]

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