In a recent study, the Centers for Disease Control reported that diastolic blood pressures of adult women in the U.S. are approximately normally distributed with mean 80.7 and standard deviation 9.9. a) A woman has a blood pressure of 84 mm. What percentile is her blood pressure on? A score of 84 mm is on the percentile, approximately. b) A diastolic blood pressure greater than 90 is classified as hypertension (high blood pressure). What proportion of women have hypertension? (Round the final answer to four decimal places.) The proportion is C c) What is the 80th percentile of blood pressures? (Round the final answer to two decimal places.) The 80th percentile is