math

posted by nicole

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

  1. bobpursley

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

  2. Reiny

    Nice
    http://www.jiskha.com/display.cgi?id=1271428581

  3. nicole

    ok I got b for the answer is that correct?

  4. Damon

    If it is for the bottom 10% it must be lower than the mean!

  5. nicole

    ok so it will be a?

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