andy/Probability-and-Statistics-Notes
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andy
2026-09-17 11:59:49 -04:00
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If <m>\E(X) = 3</m>, <m>\Var(X) = 2</m>, what is <m>\E(X^2)</m>? If <m>\E(X) = 3</m>, <m>\Var(X) = 2</m>, what is <m>\E(X^2)</m>?
</p> </p>
</statement> </statement>
<answer>
<p>
<m>11</m>.
</p>
</answer>
</exercise> </exercise>
<exercise> <exercise>