Question: Need answer to the core question , not a similar question pls A certain virus infects one in every 500 people. A test used to

Need answer to the core question , not a similar question pls

A certain virus infects one in every 500 people. A test used to detect the virus in a person is positive 90% of the time if the person has the virus and 10% of the time if the person does not have the virus. Let A be the event "the person is infected" and B be the event "the person tests positive." (a) Find the probability that a person has the virus given that they have tested positive. (b) Find the probability that a person does not have the virus given that they have tested negative

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