The systolic blood pressure (BP) of adults in the USA is nearly normally distributed with a mean of 121 and standard deviation of 18. 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 that 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 the nearest whole number. mmHg Submit Question
The systolic blood pressure (BP) of adults in the USA is nearly normally distributed with a mean of 121 and standard deviation of 18. 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 that 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 the nearest whole number. mmHg Submit Question
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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![The systolic blood pressure (BP) of adults in the USA is nearly normally distributed with a mean of
121 and standard deviation of 18.
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 that 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 the nearest whole number.
mmHg
Submit Question](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F26d78c07-dca8-4019-83ce-00b1bdfd9b89%2F9badbe4c-ce1a-46d3-9d3b-a688976a2664%2F07cpotb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The systolic blood pressure (BP) of adults in the USA is nearly normally distributed with a mean of
121 and standard deviation of 18.
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 that 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 the nearest whole number.
mmHg
Submit Question
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