If the scale of a map says that 4 cm represents 5 km and the distance of the map represents an actual distance of 4 km and the answer is 3.2 km then, what is the actual number of kilometers that is represented by 5 cm on the map?

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