A certain disease is believed to affect 4% of the population.Results of a new blood test for the disease indicate that 95% of persons who have the disease will have a positive reaction to the test,whereas 5% of those who do not have the disease will also have a positive reaction.What is the probability that a randomly selected person who has a positive reaction will actually have the disease?

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The Answer of A certain disease is believed to affect 4% of the population.Results of a new blood test for the disease indicate that 95% of persons who have the disease will have a positive reaction to the test,whereas 5% of those who do not have the disease will also have a positive reaction.What is the probability that a randomly selected person who has a positive reaction will actually have the disease?

A Certain Disease Is Believed to Affect 4% of the Population.Results