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Mathematics, 01.10.2019 20:00 dashavasilisk
Suppose a certain traffic light shows a red light for 43 seconds, a green light for 45 seconds, and a yellow light for 5 seconds. if you look at this light at a randomly chosen instant, what is the probability that you see a red or yellow light? (enter your probability as a fraction.)
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Suppose a certain traffic light shows a red light for 43 seconds, a green light for 45 seconds, and...
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