SOLUTION: Assume that cholesterol levels of men in the U.S. are normally distributed with a mean of 215 milligrams per deciliter and a standard deviation of 25 milligrams per deciliter. If y
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Question 1176511: Assume that cholesterol levels of men in the U.S. are normally distributed with a mean of 215 milligrams per deciliter and a standard deviation of 25 milligrams per deciliter. If you randomly select a man in the U.S. What is the probability that his cholesterol level is between 227.5 and 240. Answer by ewatrrr(24785) (Show Source):
Hi
Normal Distribution: μ = 215 mg/dl and σ = 25 mg/dl
Using Ti or similarly an inexpensive like a Casio fx-115 ES plus:
P( 227.5 < x < 240) = normalcdf(227.5, 240, 25, 215) = .1499
Wish You the Best in your Studies.
