Suppose that 2% of a population carries antibodies to a virus. For a research project, you need 30 people with antibodies to the virus. How many people should you test so that the expected number of people with
the antibodies is 30?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.