Mathematics, 25.11.2021 23:50, morganturgeon29

The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122 and standard deviation of 16. Some 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 tow decimal places.

(b) If you sampled 2000 people, how many would you expect to have BP > 160? Give your answer to the nearest person.

(c) Stage 1 high BP is specified as systolic BP between 140 and 160. What percentage of adults in the US qualify for stage 1?

(d) Your doctor tells you, you are in the 30th percentile for blood pressure among US adults. What is you systolic BP? Round to 2 decimal places.

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The systolic blood pressure of adults in the USA is nearly normally distributed with a mean of 122 a...