a pack of cinnamon-scented pencils sells for 5.00 dollars what is the sales tax rate if the total cost of the pencils is 5.15

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