The life span of a particular species of turtle are normally distributed with a mean of 180 years and a standard deviation of 40 years. What proportion of these turtles will live between 100 and 260 years?

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- January 6th 2008, 12:11 PMKiranData Management HELP
The life span of a particular species of turtle are normally distributed with a mean of 180 years and a standard deviation of 40 years. What proportion of these turtles will live between 100 and 260 years?

- January 6th 2008, 04:19 PMmr fantastic