Abby 2 hours to drive from home to her office and three hours if she drives 15 miles per hour slower. What is the distance between Abby's house and the office

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