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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 32E

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HW 2 - Problem 4

2
Let X₁, i = 1,2,... n be mutually uncorrelated random vectors of
same size and with E(X;) = μ₁. Show that
n
E(|| Σ(×; − µ;)||²) = ΣE||X; - μ₁||²
–
i=1
i=1

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