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Suppose $X$ is a random variable where the mean is $14.2$ and the standard deviation is $3.2$.Let $y=5.1x + 8$.

What is the mean and variance of y?

Mean: $80.42$Variance: $274.34$

Mean: $80.42$Variance: $266.34$

Mean: $80.42$Variance: $16.32$

Mean: $72.42$Variance: $274.34$

Mean: $72.42$Variance: $266.34$