A certain roller coaster has 3 cars, and a passenger is equally likely to ride in any 1 of the 3 cars each time that passenger rides the roller coaster. If a certain passenger is to ride the roller coaster 3 times, what is the probability that the passenger will ride in each of the 3 cars?A. 0B. 1/9C. 2/9D. 1/3E. 1 问题补充： 答案是C会的给个解释吧谢谢
