Question

The test to detect the presence of the hepatitis B virus is 97% accurate for a person who has the disease and 99% accurate for a person who does not have the disease. In a given population, 0.55% of the people are infected.
The probability that a randomly chosen person gets an incorrect result is?

Answer 1

Let H be the event person has hepatitis B. Let T be the event the test came out positive. Identify P(T|B) and P(T'|B').

Answer 2

@thomas5267 I dont understand.

Answer 3

0.001011