The highest possible z-score that is still in the bottom 95% of the systolic blood pressure distribution is z =−1.645 . Use this z-score to determine X, the corresponding systolic blood pressure score. X = This score, X, is the percentile of systolic blood pressure scores among women. The percentile rank of this score is . Systolic blood pressure between 140 and 159 is considered stage 1 hypertension. What percentage of women have systolic blood pressure in this range? 11.13% 13.13% 7.98% 9.01% Systolic blood pressure below 90 is considered hypotension. What percentage of women have systolic blood pressure below 90?