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  3. let x and y be independent random variables with e...

Question: let x and y be independent random variables with e...

Question details

Let X and Y be independent random variables with

E (X) = µx = 4.2

E (Y ) = µy = 2.3,

V (X) = σ2 x = 1.3,

V (Y ) = σ2 y = 3.5.

Find the value of E (2X − 3Y ) & V (2X − 3Y )

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