document.write( "Question 1149949: Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $29,000 and a standard deviation of $5455. What is the cutoff salary for teachers in the bottom 10%?
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Algebra.Com's Answer #771384 by Boreal(15235)\"\" \"About 
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the z value for the 10th percentile is -1.28
\n" ); document.write( "z=(x-mean)/sd
\n" ); document.write( "-1.28=(x-29000)/5455
\n" ); document.write( "x-29000=-6982.40
\n" ); document.write( "x=$22,017.60
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