let fX,Y(x,y) = { 1/3 +(x+y) 0otherwhise.FIND V(2X-3Y+8)

Answered Same DayDec 25, 2021

Answer To: let fX,Y(x,y) = { 1/3 +(x+y) 0otherwhise.FIND V(2X-3Y+8)

Robert answered on Dec 25 2021

122 Votes

Solution
The density function is
( )

( )
( ) ∫ ∫

( )
( ) ∫ ∫

( )
( ) ∫ ∫

( )
Var (X) = E (X
2
) – [E (x)]
2

Therefore,
( )

(

)

( )

(

)

( ) ...

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let fX,Y(x,y) = { 1/3 +(x+y) 0otherwhise.FIND V(2X-3Y+8)

Answer To: let fX,Y(x,y) = { 1/3 +(x+y) 0otherwhise.FIND V(2X-3Y+8)

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