In 2009, the CDC estimated that 1,100,000 of the 305,000,000 residents of the United States are HIV-positive. The RRIA diagnostic test correctly diagnoses the presences of AIDS/HIV 99.7% of the time, and correctly diagnoses its absence 98.5% of the time. • Find the probability that a perosn whose test results are negative actually has HIV • Which of the scenarios above is a false positive? Which is a false negative?
In 2009, the CDC estimated that 1,100,000 of the 305,000,000 residents of the United States are HIV-positive. The RRIA diagnostic test correctly diagnoses the presences of AIDS/HIV 99.7% of the time, and correctly diagnoses its absence 98.5% of the time. • Find the probability that a perosn whose test results are negative actually has HIV • Which of the scenarios above is a false positive? Which is a false negative?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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In 2009, the CDC estimated that 1,100,000 of the 305,000,000 residents of the United States
are HIV-positive. The RRIA diagnostic test correctly diagnoses the presences of AIDS/HIV
99.7% of the time, and correctly diagnoses its absence 98.5% of the time.
• Find the
• Which of the scenarios above is a false positive? Which is a false negative?
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