Question

The average high school teacher annual salary is $43,000
(Payscale.com, August 20, 2010). Let teacher salary be normally distributed with a standard deviation of $18,000.
a. What percentage of high school teachers make between $40,000 and $50,000?
b. What percentage of high school teachers make more than $80,000?



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  • CreatedJanuary 28, 2015
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