HIV Status Yes No Test Positive 47 6 Negative 2 79 1. How many false positives are there? 2. How many false negatives are there? 3. When selecting two individuals without replacement, what is the probability both test negative? 4. When selecting a single individual, what is the probability the person is tests negative, given the person is HIV positive? 5. When selecting a single individual, what is the probability the individual tests negative or does not have HIV?

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Question
HIV Status
Yes
No
Test
Positive
47
6
Negative
79
1. How many false positives are there?
2. How many false negatives are there?
3. When selecting two individuals without replacement, what is the probability both test negative?
4. When selecting a single individual, what is the probability the person is tests negative, given the
person is HIV positive?
5. When selecting a single individual, what is the probability the individual tests negative or does not
have HIV?
Transcribed Image Text:HIV Status Yes No Test Positive 47 6 Negative 79 1. How many false positives are there? 2. How many false negatives are there? 3. When selecting two individuals without replacement, what is the probability both test negative? 4. When selecting a single individual, what is the probability the person is tests negative, given the person is HIV positive? 5. When selecting a single individual, what is the probability the individual tests negative or does not have HIV?
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