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Mathematics, 16.11.2020 18:30 zakwolthuis

Austin lives in Saint Paul and goes to school in Minneapolis. In the morning, he has 333 transportation options (bus, cab, or train) to school, and in the evening he has the same 333 choices for his trip home. If Justin randomly chooses his ride in the morning and in the evening, what is the probability that he'll use both the bus and the train?

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