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There are two traffic lights, working independently, on your way home. Each light is either Red (R), Yellow (Y) or Green (G) with probabilities p(R) = .3, P(Y) = .2, and P(G) = .5. The experiment consists of recording the colors of the traffic lights when a vehicle is 20 feet away from the light.
a. List the outcomes in the sample space and find the probabilities for each outcome in the sample space.(Hint: P(RG)=P(R)*P(G))
b. What is the probability of stopping exactly at one of the lights?
c. What is the probability of not stopping at any of the lights?
Compute the value of the proportion of the population.
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