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A screening test for HIV has a sensitivity of .99 and specificity of .92. The CDC estimates the HIV prevalence of HIV in the U.S.

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A screening test for HIV has a sensitivity of .99 and specificity of .92. The CDC estimates the HIV prevalence of HIV in the U.S. is about 0.36%. If we performed this screening test on all 305,000 residents in Boulder County, and assume the incidence of HIV in Boulder County is also 0.36%, approximately how many true posilive cases and how many false positive cases would we expect to observe

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