October 9, 2015

Homework Help: Math

Posted by Michael on Sunday, October 28, 2012 at 4:22pm.

Assume that the average annual salary for a worker in the United States is $30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $6,250. Find the following:

(A) What percentage of Americans earn below $19,000?
(B) What percentage of Americans earn above $40,000?

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