A b and c

10. The Center for Disease Control and Prevention reported that diastolic blood pressures for adult women in the USA are approximately normally distributed with mean of 80.5 and standard deviation of 9.9. a) What proportion of women have blood pressure lower than 70? b) What proportion of women has blood pressures between 75 and 90? c) What proportion of women has high blood pressure if a reading of greater than 90 is classified as high