A particularly long traffic light on your morning commute is green 20% of the time that you approach it. Assume that each morning represents an independent trial. Assume that 10 mornings are considered in this experiment.
(a) What is the probability that the light is green on exactly one morning? (b) What is the probability that the light is green on at least two mornings? (c) What is the mean number of mornings that the light is green when you approach it?
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