The median weekly earnings for people working in sales is $450. Assume that the weekly earnings are approx. normally distributed with a standard deviation of $90.

What is the mean weekly earnings for people working in sales?

To find the mean weekly earnings for people working in sales, we can use the fact that the median and mean of a normal distribution are equal. Since we are given that the median is $450, we can conclude that the mean weekly earnings for people working in sales is also $450. Therefore, the mean is $450.