Which of the following patterns of cars parked along a street is an example of uniform dispersion?
(a) five cars parked next to one another in the middle, leaving two empty spaces at one end and three empty spaces at the other end (b) five cars parked in this pattern: car, empty space, car, empty space, and so on (c) five cars parked in no discernible pattern, sometimes having empty spaces on each side and sometimes parked next to another car