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作者: myice 时间: 2011-6-13 16:41
C 3*2*1 =6 3*3*3=27 6/27=2/9
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