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What percent of sick individuals test negative for the flu?

What percent of sick individuals test negative for the flu?

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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The medical department at a local government agency has compiled test results for sick individuals who have been tested for the flu. They have found that not all people who test positive for the flu actually have the flu, and some people who test negative for the flu actually have the flu. The following tree diagram shows the conditional relative frequencies. Sick Individuals 23% 27% 75% 25% 25% Have the flu Do not have the flu 95% 92% Test positive What percent of sick individuals test negative for the flu? Test negative Test positive Test negative
Transcribed Image Text:The medical department at a local government agency has compiled test results for sick individuals who have been tested for the flu. They have found that not all people who test positive for the flu actually have the flu, and some people who test negative for the flu actually have the flu. The following tree diagram shows the conditional relative frequencies. Sick Individuals 23% 27% 75% 25% 25% Have the flu Do not have the flu 95% 92% Test positive What percent of sick individuals test negative for the flu? Test negative Test positive Test negative
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