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December 18, 2014

Homework Help: statistics

Posted by holly on Saturday, July 7, 2012 at 10:03am.

According to a website about salaries, the national average salary as of October 2003 for a human resources clerk was $29,932. We assume that the annual salaries for clerks are normally distributed with a standard deviation of $1,860. (Give your answers correct to two decimal places.)
(a) Find the percentage who earn less than $27,480.
%

(b) Find the percentage who earn more than $31,808.
%

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