Independent random variables X and Y are such that E(X)-4, E(Y)-5, Var(X)-1, Var(Y)-2. Find (a) E(4X+2Y), (b)
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Independent random variables X and Y are such that E(X)-4, E(Y)-5, Var(X)-1, Var(Y)-2. Find
(a) E(4X+2Y),
(b) E(SX-Y),
(c) Var(3X+2Y),
(d) Var(SY-3X),
(e) Var(3X-5Y).
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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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