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  • From Mathematics: Statistics
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  • Due on Aug. 29, 2009
  • Asked on Aug. 27, 2009 at 12:13:14AM
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john5
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Q:

    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: 

                                                  i.    What percentage of Americans earn below $20,000?

                                                 ii.    What percentage of Americans earn above $45,000?

 

 

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Preview: ... ry for a worker in the United States is $31,000 and that the annual salaries for Americ ...
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  • Posted on Aug. 27, 2009 at 01:04:19AM
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