Check our blood pressure: In a recent study, the Centers for Disease Control and prevention reported that diastolic blood pressures of adult women in the United States are approximately normally distributed with mean 80.4 and a standard deviation of 9.8. (a) What proportion of women have blood pressures lower than 65? (b) What proportion of women have blood pressures between 72 and 90? ronortion of women have |回G@ 园

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