SOLUTION: A rapid test for the presence in the blood of antibodies to HIV, the virus that causes AIDS, gives a positive result with probability about 0.006 when a person who is free of HIV a
Algebra ->
Statistics
-> Binomial-probability
-> SOLUTION: A rapid test for the presence in the blood of antibodies to HIV, the virus that causes AIDS, gives a positive result with probability about 0.006 when a person who is free of HIV a
Log On
Question 1054110: A rapid test for the presence in the blood of antibodies to HIV, the virus that causes AIDS, gives a positive result with probability about 0.006 when a person who is free of HIV antibodies is tested. A clinic tests 980 people who are all free of HIV antibodies.
a) What is the mean number of positive tests? (Give answer to 2 decimal places.) Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! gives a positive result with probability about 0.006
when a person who is free of HIV antibodies is tested.
980(.006) = 5.88 = 6 is the mean number of positive tests
