SOLUTION: Sheepdogs have a life span of 8 to 14 years. Calculate the mean and the standard deviation of this distribution

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Question 1083046: Sheepdogs have a life span of 8 to 14 years. Calculate the mean and the standard deviation of this distribution
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Assuming that between 8 and 14 years capture mu+%2B-+3%2Asigma, then,
mu=%288%2B14%29%2F2
6%2Asigma=14-8
Solve for mu and sigma.