(a) What is the shortest time that an insect can be on a plant and stay as long as at least 50% of all insects on the plant? (b) A student is assigned to watch an insect until it flies. They want to know the time that will be exceeded only with a probability of 0.05. (c) If an insect has been observed for 2 minutes without its moving from the plant, what is the probability that it will be there for at least 2 more minutes?

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