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 177.5 and 277.5? The probability that a man's cholesterol level is between 177.5 and 277.5 is (Type a probability rounded to 3 decimal places.)