In 1985, there were 20 deaths from automobile accidents per 1,000 miles traveled. A total of
20,000 miles were traveled via automobiles in 1985. In the same year, 800 people died in airplane crashes and 400 people were killed in train disasters. A statistician concluded from these data alone that it was more dangerous to travel by plane, train, and automobile, in that order.
Which of the following refutes the statement’s conclusion?