Answered: Loretta, who turns eighty this year,…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Loretta, who turns eighty this year, has just learned about blood pressure problems in the elderly and is interested in how her blood pressure compares to those of her peers. Specifically, she is interested in her systolic blood pressure, which can be problematic among the elderly. She has uncovered an article in a scientific journal that reports that the mean systolic blood pressure measurement for women over seventy-five is 134.8 mmHg, with a standard deviation of 5.4 mmHg.

Assume that the article reported correct information. Complete the following statements about the distribution of systolic blood pressure measurements for women over seventy-five.

(a)According to Chebyshev's theorem, at least _________% of the measurements lie between 124.0 mmHg and 145.6 mmHg.

(b)According to Chebyshev's theorem, at least 36% of the measurements lie between _____mmHg and ___mmHg.
(Round your answer to 1 decimal place.)

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