Refer to Exercise 56. According to the same health information website, a diastolic blood pressure between 80 and 90 indicates borderline high blood pressure. About what percent of adults have borderline high blood pressure?

Exercise 56.

According to a health information website, the distribution of adults’ diastolic blood pressure (in millimeters of mercury) can be modeled by a Normal distribution with mean 70 and standard deviation 20. A diastolic pressure above 100 for an adult is classified as very high blood pressure. About what proportion of adults have very high blood pressure according to this criterion?