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August 27, 2014

Homework Help: math

Posted by nicole on Friday, April 16, 2010 at 11:54am.

Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $36,000 and a standards deviation of $6000. What is the cutoff salary for teachers in the bottom 10%?

Answer choice:
a. $28,320
b. $43,680
c. $45,870
d. $26,130

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