Question
The US Census bureau estimates that there were approximat ely 259.5 mil lion Americans of ages 14 years or older in 2013. According to a
The US Census bureau estimates that there were approximat
ely 259.5 mil
lion Americans of ages
14
years or older in 2013. According to a CDC report, in 2013 the number of people in the US of ages 14
years or older living with HIV was approximately 1.2 million. The FDA estimates that a person with HIV
has a 99.8% chance of a
positive
test result when using the Reveal G2
Serum Rapid HIV Test
and also
estimates that a person without HIV has a 99.1% chance of a negative test
result when using the Reveal
G2
Serum Rapid HIV Test
.
1)
Determine the probability that a randomly selec
ted American of age 14 years or older who tests
positive for HIV with the Reveal G2
Serum Rapid HIV Test actually has HIV.
2)
Determine the probability that a randomly selected American of age 14 years or older who tests
negative for HIV with the Reveal G
2
Serum Rapid HIV Test actually does not have HIV.
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