flying lessons on weekdays cost m dollars per hour. Flying lessons cost 1.2m dollars per hour. the expression 9m+3m(1.2)m represents the total dollar amount that marya spent on flying lessons. What does the 9m in the expression represent

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