Linearity of Expectations

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145. Linearity of Expectations

\begin{matrix} 𝐸 [𝑋 + 𝑌] = 𝐸 [𝑋] + 𝐸 [𝑌] \\ 𝐸 [𝑎 𝑋] = 𝑎 𝐸 [𝑋] \end{matrix}

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