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.