Find the probability that light is green on exactly one day


A particularly long traffic light on your morning commute is green 30% of the time that you approach it. Assume that each morning represents an independent trial.
(Assumption - lights- red and green)

a) Over five mornings, what is the probability that the light is green on exactly one day?

b) Over twenty mornings what is the probability that the light is green on 3 days?

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Operation Management: Find the probability that light is green on exactly one day
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