If the ten first graders consist of 6 boys and 4 girls, in how many different ways could they all be arranged in a straight line with a girl at the front of the line and a boy at the back of the line

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