Question:medium

If variance of \(X\) is \(4\), then the variance of \(Y=4X+2\) is

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For \[ Y=aX+b, \] \[ \boxed{\operatorname{Var}(Y)=a^2\operatorname{Var}(X).} \] Adding a constant does not affect variance.

Updated On: Jul 18, 2026

\(64\)
\(16\)
\(4\)
\(0\)

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The Correct Option is A

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