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A certain virus infects one in every 3000 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus, and 5% of the time if the person does not have the virus (false positive). Find the probability that a person has the virus given that they have tested positive. 0.0056 A person that tests positive, gets a second test that is also positive. Find the probability that the person has the virus. 0.00741

A certain virus infects one in every 3000 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus, and 5% of the time if the person does not have the virus (false positive). Find the probability that a person has the virus given that they have tested positive. 0.0056 A person that tests positive, gets a second test that is also positive. Find the probability that the person has the virus. 0.00741

MATLAB: An Introduction with Applications
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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A certain virus infects one in every 3000 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus, and 5% of the time if the person does not have the virus (false positive). Find the probability that a person has the virus given that they have tested positive. 0.0056 A person that tests positive, gets a second test that is also positive. Find the probability that the person has the virus. 0.00741
Transcribed Image Text:A certain virus infects one in every 3000 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus, and 5% of the time if the person does not have the virus (false positive). Find the probability that a person has the virus given that they have tested positive. 0.0056 A person that tests positive, gets a second test that is also positive. Find the probability that the person has the virus. 0.00741
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