Question

The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 120 and standard deviation of 24 .

Someone qualifies as having Stage 2 high blood pressure if their systolic blood pressure is 160 or higher.

(a) Around what percentage of adults in the USA have stage 2 high blood pressure? Give your answer rounded to two decimal places.

_______%

(b) Stage 1 high BP is specified as systolic BP between 140 and 160. What percentage of adults in the US qualify for stage 1? Give your answer rounded to two decimal places.

_______%

(c). Your doctor tells you you are in the 30th percentile (e.g. bottom 30%) for blood pressure among US adults. What is your systolic BP? Give your answer rounded to two decimal places.

_______ lbs

Answer 1

Here

Ans

a) 4.85% of adults in USA have stage 2 high blood pressure.

b) 15.48% of adults in US qualify for stage 1.

c) 107.52 lbs is your systolic B.P.