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Mathematics 8 Online
OpenStudy (lin.ivory):

at a traffic light, the red light is on for 30s, amber for 5s, and green for 45s. What is the probability of arriving when the light is red?

OpenStudy (chaise):

30+45+5=80. The probability =frequency/total chance. Probability =30/80 or 3/8. The chance that the light is red is 3/8, or 0.375 or 37.5%

OpenStudy (lin.ivory):

AHAHAHA!! ok thx!! (the answer key was wrong and i struggled for 10 minutes...)

OpenStudy (kymber):

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