A study concluded that among people with a certain virus, 99.3 % of tests conducted were (correctly) positive, while for people without the virus, 97.7% of the tests were (correctly) negative. If 22 % of patients actually carry the virus, what's the probability that a patient testing negative is truly free of the virus? Three decimal places needed

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A study concluded that among people with a
certain virus, 99.3 % of tests conducted were
(correctly) positive, while for people without
the virus, 97.7% of the tests were (correctly)
negative. If 22 % of patients actually carry the
virus, what's the probability that a patient
testing negative is truly free of the virus?
Three decimal places needed
Transcribed Image Text:A study concluded that among people with a certain virus, 99.3 % of tests conducted were (correctly) positive, while for people without the virus, 97.7% of the tests were (correctly) negative. If 22 % of patients actually carry the virus, what's the probability that a patient testing negative is truly free of the virus? Three decimal places needed
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