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1) Random variables X and Y have the joint PMF x = 1 , 2 , 4 ; = 1/ 3 Px,y ( x

1) Random variables X and Y have the joint PMF x = 1 , 2 , 4 ; " = 1/ 3 Px,y ( x , y ) = O otherwise 9 ) what is the value of constant c? b ) What is P E Y C X ] ? ( )| what is PE y > X ] ? d ) what is PTY = XJ ? what is ply = 37

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