Question: Imagine that a company develop a new test for HIV, the virus that causes AIDS and report that, When used by professionals, the test is
Imagine that a company develop a new test for HIV, the virus that causes AIDS and report that, "When used by professionals, the test is shown to accurately identify both carriers and non-carriers [of the HIV virus] 95 percent of the time." But a trial conducted by the company that developed the test showed that individuals using the test on themselves at home correctly detected HIV in those carrying the virus only 89 percent of the time. Question 12 Suppose that this same test was administered by a professional to 10,000 people in another country in which 7% of the population is infected with HIV. Fill in the following table: Number of HIV-Positive Individuals Number of HIV-Negative Individuals Total Result of HIV Test is Positive Result of HIV Test is Negative Total 10,000
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