Prison Sentences The average prison sentence for a person convicted of second-degree murder is 15 years. If the sentences are normally distributed with astandard deviation of 2.1 years, find the following probabilities.P (x> 18) =

Givens.
• The mean is 15 years.
,• The standard deviation is 2.1 years.
,• x = 18.
Using a graphic calculator, the probability P(X > 18) is 0.0766.
Therefore, the answer is 0.07