# math

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%?

a. \$28,320
b. \$43,680
c. \$45,870
d. \$26,130

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2. 0
1. What is your thinking? http://davidmlane.com/hyperstat/z_table.html

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posted by bobpursley
1. 0
posted by Reiny
2. ok I got b for the answer is that correct?

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posted by nicole
3. If it is for the bottom 10% it must be lower than the mean!

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posted by Damon
4. ok so it will be a?

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posted by nicole

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