What percentage of americans earn below given value

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Reference no: EM13157315

Assume that the average annual salary for a worker in the United States is $31,000 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $7,500. Find the following:

a) What percentage of Americans earn below $20,000?
b) What percentage of Americans earn above $45,000?

Reference no: EM13157315

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