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?


0

~$\frac{1}{9}$~

~$\frac{2}{9}$~

~$\frac{1}{3}$~

1

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