Mathematics, 13.10.2021 01:10, aryannaholmes9

Assume that the life expectancy for one region is normally distributed with a mean of 71.04 years and a standard deviation of 8.23 years. Use the accompanying graphic to answer the questions. (a)
What is the approximate percentile for one city with a life expectancy of 81.33?
(b)
What percentage of cities in the region have a life expectancy greater than 87.50 ( 2 standard deviation above the mean)?
c)
Approximately99 % of cities in the region have a life expectancy between what two values?

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Assume that the life expectancy for one region is normally distributed with a mean of 71.04 years an...