MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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  1. In a certain population, 1% of all individuals are carriers of a particular disease. A diagnostic test for this disease has a 90% detection rate for carriers and a 5% detection rate for non-carriers that the diagnostic test is applied independently to two different samples from the same randomly selected individual.

 

  • What is the probability that both tests yield the same results?

 

 

 

 

 

 

 

 

 

 

 If both tests are positive, what is the probability that the selected individual is a carrier?

Expert Solution
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Step 1: Given information

In a certain population, 1 percent sign of all individuals are carriers of a particular disease.

A diagnostic test for this disease has the following detection rates:

  • 90 percent sign detection rate for carriers (sensitivity).
  • 5 percent sign detection rate for non-carriers (specificity).

The diagnostic test is applied independently to two different samples from the same randomly selected individual.

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