Given a dataset XXX with mean μ\muμ and variance σ2\sigma^2σ2, what is the variance of Y=−3X+10Y = -3X + 10Y=−3X+10?
−9σ2-9\sigma^2−9σ2
9σ29\sigma^29σ2
3σ23\sigma^23σ2
−3σ2+10-3\sigma^2 + 10−3σ2+10