October 13, 2015

Homework Help: Statistics

Posted by Ann on Sunday, October 14, 2012 at 12:10pm.

Assume that the average annual salary for a worker in the United States is 300,000- and that the annual salaries For Americans are normally distributed with a standard deviation equal to $7,000. Find the following:
A. What percentage of Americans earn below $22,000?
B. What percentage of Americans earn above 42,000?

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