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Mathematics
OpenStudy (anonymous):

A traffic light is red for 25 sec, yellow for 5 sec, and green for 55 sec. What is the probability that when you reach the light.

OpenStudy (anonymous):

OpenStudy (anonymous):

the question the light is not green

OpenStudy (anonymous):

It seems to me that since the light is green for 55 of the total 85 seconds then the probability of it not being green is 30/85 = 35.29%

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