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.
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. UseTable 1.
a.What percentage of high school teachers make between $40,000 and $50,000?(Round "z" value and final answer to 2 decimal places.)
b.What percentage of high school teachers make more than $80,000?(Round "z" value and final answer to 2 decimal places.)
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Linear Algebra
Authors: Jim Hefferon
1st Edition
978-0982406212, 0982406215
