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# A certain roller coaster has 3 cars, and a passenger is

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Senior Manager
Joined: 14 Jul 2006
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A certain roller coaster has 3 cars, and a passenger is [#permalink]  27 Aug 2006, 02:23
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 customer is to ride the roller coaster 3 times, what is the probability that the customer will ride in each of the 3 cars?
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I think the prob is (3*2*1)/(3*3*3)=6/27=22.22%
Senior Manager
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Hi quangviet,

OA is 1/3 I still cant figure it out
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