Two Trains Train A and Train B, weigh a total of 285 tons. Train A is heavier than Train B. The Difference of their weights is 221 tons. What is the weight of each​ train?

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