The probability of a randomly selected adult in one country being infected with a certain virus is 0.000. In tests for the virus, blood samples from 19 people are comburved. What is the probability that the combined sample tests positive for the virus? Is it unlikely for such a combined simple to test positive? Note that the combined sample tests positive it at least one person has the vinus The probability that the combined sample will test positives a (Round to the decimal places as reded) urce rect ources om tion Tools Help me solve this View an example Get more help