SOLUTION: Suppose a certain traffic light shows a red light for 41 seconds, a green light for 45 seconds, and a yellow light for 5 seconds.
If you look at this light at a randomly chosen
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Question 1165855: Suppose a certain traffic light shows a red light for 41 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?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
the cycle is 91 seconds
red or yellow occurs for 46 seconds
probability of either of those is 46/91
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