Question

Enzyme immunoassay tests are used to screen blood specimens for the presence of antibodies to hiv, the virus that causes aids. Antibodies indicate the presence of the virus. The test is quite accurate but is not always correct. The table contains approximate probabilities of positive and negative test results when the blood tested does and does not actually contain antibodies to hiv.What is the probability that the test is positive for a randomly chosen person from this population? (enter your answer rounded to six decimal places.)

Answer 1

Answer:

sorry don't know when I known then I will tell you...