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Given Independent Random Variables with Means and Standard Deviations as Shown,find

Question 173

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Given independent random variables with means and standard deviations as shown,find the mean and standard deviation of the variable Y - 19.Round to two decimal places if necessary.  Mean  SD X30029Y22030\begin{array} { l | l l } & \text { Mean } & \text { SD } \\\hline \mathrm { X } & 300 & 29 \\\mathrm { Y } & 220 & 30\end{array}


A) ? = 201,? = 35.51
B) ? = 201,? = 11
C) ? = 201,? = 23.22
D) ? = 220,? = 30
E) ? = 201,? = 30

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