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Mathematics, 11.11.2019 22:31 clydeben4543
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 133.0 mmhg, with a standard deviation of 6.1 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 120.8 mmhg and 145.2 .
(b) according to chebyshev's theorem, at least 36% of the measurements lie between __ mmhg and __ mmhg. (round your answer to 1 decimal place.)
(c) suppose that the distribution is bell-shaped. according to the empirical rule, approximately 68% of the measurements lie between __ mmhg and __mmhg.
(d) suppose that the distribution is bell-shaped. according to the empirical rule, approximately __% of the measurements lie between 120.8 mmhg and 145.2 .
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Loretta, who turns eighty this year, has just learned about blood pressure problems in the elderly a...
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