Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $28,000 and

Question

Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $28,000 and a standard deviation of $3000. What is the cutoff salary for teachers in the bottom 10%? 
$32,935
$24,155
$31,840
$23,065

Kunduz · Accepted Answer

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