ashliestreet ashliestreet

13-09-2022
Mathematics

contestada

• For software that really has a virus, the test says "Yes" 97% of the time
• For software that is really virus-free, the test says "Yes" 2% of the time ("false
positive")
If 1% of all software has a virus and the virus test for a randomly selected software says
"Yes", what are the chances that the software really has a virus?

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