Qualifying Test Scores To qualify for a medical study, an applicant must have a systolic blood pressure in the 50% of the middle range. If the systolic blood pressure is normally distributed with a mean of 120 and a standard deviation of 4, find the upper and lower limits of blood pressure a person must have to qualify for the study. Round final answers to 1 decimal place and intermediate z-value calculations to 2 decimal places. ED Applicants must have a lower blood pressure limit of and an upper blood pressure limit of to qualify for the study