Which expression represents the difference between 18 and an unknown number a. 18 - n b. 18 + n c. 18 divided by n d. 18 • n

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