The probability of a randomly selected adult in one country being intected with a certain virus is 0.003 . In tests for the virus, blood samples fram 12 people are combined What is the probabiity that the combined sample tests positive for the vinus? Is it unilkely for such a combined sample to test positive? Note that the combined samplo terts postive if at lemat one person has the virus The probability that the conbined sariple will test positive is (Round to three decimal places as needed).