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Mathematics 8 Online
OpenStudy (anonymous):

The stop light at the corner of Mableton Parkway and Old Alabama stays red for 3 minutes,changes to green for 3 minutes, and then turns yellow for 3 minutes. If you arrive at a random time, what is the probability that you will wait at a red light for more than 2 minutes?

OpenStudy (anonymous):

22% 3+3+3 = 9 2/9 = .2222222 That's a really funky stoplight. The red light would at least need to be on for 6 minutes so that you didn't have intersection problems?

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