Independent random variables X and Y are such that E(X)-3, E(X)-12, E(Y) 4, E(Y2) = 18. Find
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Independent random variables X and Y are such that E(X)-3, E(X)-12, E(Y) 4, E(Y2) = 18. Find the value of
(a) E(3X-2Y),
(b) E(2Y-3X),
(c) E(6X+4Y),
(d) Var(2X-Y),
(e) Var(2X + Y),
(f) Var(3Y+2X).
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Related Book For 
A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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