Unformatted text preview: VarX = 1p p 2 = 10.2 0.2 2 = 20 VarY = 1p p 2 = 10.6 0.6 2 = 1.11 Var X + Y [ ] = Var X + Var Y = 20 + 1 .11 = 21 .11...
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 Spring '10
 Dunn
 Addition, Variance, Summation, Plus and minus signs, independent RVs, geometric RVs

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