You are watching the news and hear that there is a rare comet passing Earth. The weatherman on the news reports that there is a 72% chance that the comet will be visible if the night sky is clear and there is a 45% chance that the comet will be visible if the night sky is not clear. There is a 85% chance that the night sky will be clear. Using a tree diagram, algebraically determine the probability that you will be able to see the comet