Posted by **Sam** on Tuesday, June 5, 2012 at 7:06am.

The salaries at a corporation are normally distributed with an average salary of $29,000 and a standard deviation of $4,000. Sixteen percent of the employees make more than Sara. What is Sara's salary? Round your answer to the nearest dollar.

- calculus -
**Reiny**, Tuesday, June 5, 2012 at 7:45am
you will need a normal distribution table or chart.

I use this online applet

http://davidmlane.com/hyperstat/z_table.html

Use the second part at the bottom of the page

for mean enter 29000

for Sd enter 4000

in 'shaded' area, enter .16 and click on "above"

or

in 'shaded' area enter .84 and click on "below"

in either case you get

$32977.83 or $32978 to the nearest dollar

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