The variables X, Y, and Z represent polynomials where X = = 3 – 5, and = + 2. What is – 2a2 – 5 – 2
3a3 – 6 – 2
–3 – 2
–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