Q: A certain virus infects one in every 20 people. A test used to detect the virus in a person delivers positive outcome at 85% accuracy for infected persons. Moreover, it provides negative outcome for healthy persons at 95% accuracy. Compute followings:

• Find the probability that a person has the virus given that his test outcome is positive.
• Find the probability that a person does not have the virus given that his test outcome is negative.
• Find the probability that a person has the virus given that his test outcome is negative.

Answer rating: 100% (QA)

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