It is a parameter because you have consider the entire population, in this case the states, you have all the data of them (The areas). this would be an statistic if you cosulted a few of them instead.
Since the distance is 560 miles and the bus goes 268 miles per hour, the answer can be given as: If 268=1 hour 560=? 560/268*1 hour =2(rounded to nearest ones) Therefore it will take the train approximately 2 hours to travel between both cities.