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A random variable g is given by the following expression: g= -4h+7 where h is a normally distributed random variable with a mean of 8

A random variable g is given by the following expression: g= -4h+7 where h is a normally distributed random variable with a mean of 8 and a variance of 9. The standard deviation of g is: O a. 24 O b. 12 O c. 9 O d. 18

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