etermine whether a certain antibody is present is 99.5% effective. Thi Ccurately come back negative if the antibody is not present (in the test The probability of a test coming back positive when the antibody is no ive) is 0.005. Suppose the test is given to four randomly selected pec antibody. the probability that the test comes back negative for all four people? s the probability that the test comes back positive for at least one of th tests are negative)=(Round to four decimal places as needed.) ast one positive) (Round to four decimal places as needed.)