Question: Draw a use case diagram for a ticket distributor for a train system. The system includes two actors: a traveler, who purchases different types of

Draw a use case diagram for a ticket distributor for a train system. The system includes two actors: a traveler, who purchases different types of tickets (oneWayTicket, WeeklyCard, MonthlyCard), and a central computer system, which maintains a reference database for the tariff. If the traveler took too long to insert the right amount the transaction is timed-out. The traveler may select the cancel button to cancel the operation (without completing the transaction)

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