• • An infectious disease occurs in 10% of population Good test has been designed which has a 90% chance of giving correct result - If infected then 90% chance test is positive (10% test is negative) - If not infected then 90% chance test is negative (10% chance test is positive) If you take test and get a positive result, what is chance that you are infected?
• • An infectious disease occurs in 10% of population Good test has been designed which has a 90% chance of giving correct result - If infected then 90% chance test is positive (10% test is negative) - If not infected then 90% chance test is negative (10% chance test is positive) If you take test and get a positive result, what is chance that you are infected?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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An infectious disease occurs in 10% of population
Good test has been designed which has a 90% chance
of giving correct result
- If infected then 90% chance test is positive (10% test is negative)
- If not infected then 90% chance test is negative (10% chance
test is positive)
If you take test and get a positive result, what is chance
that you are infected?
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