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QUESTION 2 A. The systolic blood pressure (SBP) among those in the early 20's is normally distributed with a mean of 115 and standard deviation
QUESTION 2 A. The systolic blood pressure (SBP) among those in the early 20's is normally distributed with a mean of 115 and standard deviation of 25 mm Hg.
(i) What proportion of the population has SBP above 130 mm Hg?
(ii) Determine the 45th and 80th percentile values of the systolic blood pressure reading for this population.
(iii) Would a person with SBP reading of 140 mm Hg be considered in the top 20 of the population? Justify your answer.
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