A sequence of independent samples of a random variable

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Let X₁ and X₂ denote a sequence of independent samples of a random variable X with variance Var[X].

(a) What is E[X₁ - X₂], the expected difference between two outcomes?

(b) What is Var[X₁ - X₂], the variance of the difference between two outcomes?

Reference no: EM131084097

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