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Suppose x and y are two random variables. If y= 3x -2 then the mathematical expectations...

Suppose x and y are two random variables. If y= 3x -2 then the mathematical expectations and variances of x and y are related as follows

E(y)=3E(x)-2, V(y)=9V(x)-2

E(y)=3E(x), V(y)=9V(x)

E(y)=3E(x)+2, V(y)=9V(x)+2

E(y)=3E(x)-2, V(y)=9V(x)

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Answer #1

As we have Ya 3x-2 ) JE 21573 tiss (afreda a Elant b and vitl= (3, vizu VIV) grla vlaxtb) = a) PV12 to option I do is correct

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