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

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Manager
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Joined: 10 Oct 2008
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A certain roller coaster has 3 cars, and a passenger is [#permalink] New post 17 Oct 2008, 07:00
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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. 0
B. 1/9
C. 2/9
D. 1/3
E. 1
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Intern
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Re: cars [#permalink] New post 17 Oct 2008, 07:12
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Has 3/3 chances to ride in a new car the 1st time
Has 2/3 chances to ride in a new car the 2nd time
Has 1/3 chances to ride in a new car the last time

3/3 * 2/3 * 1/3 = 6/27 = 2/9

C
Re: cars   [#permalink] 17 Oct 2008, 07:12
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A certain roller coaster has 3 cars, and a passenger is

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