What is the solution to this system of linear equations?

x − 3y = −2

x + 3y = 16

(7, 3)

(3, 7)

(−2, −3)

(−3, −2)

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