Which of the following relations represents a function? { (-2, 1), (0, 5), (1, -3), (-2, 0)}

{ (-3, 1), (1, 4), (-2, 1), (0, 3)}

{(-1, 3) (-2, 3) (-1, 5) (-2, 5)}

{ (4, 2), (4, 3), (4, 5), (4, 7)}

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is