The cholesterol levels of adult American women has a mound-shaped and symmetric distribution

Question

with a mean of 188mg/dL and a standard deviation of 24 mg/dL. In what interval would you expect most
American women’s cholesterol levels to be? Explain.

Answer 1

visit this web site and specify 0.50 for the area. It will give you the min/max values.

http://davidmlane.com/hyperstat/z_table.html