An employee at the Department of Transport is interested in understanding public transport usage in Brisbane. The employee conducts a study involving 897 participants. Specifically, the government employee is interested in bus and train usage. Data collected reveals:

• 328 of the participants confirmed that they travel by train in Brisbane, with the other participants confirming they do not use trains.
• 143 participants use trains in Brisbane and do not use buses.
• 446 participants do not use buses.

A participant from the study is chosen at random. What is theprobabilitythe participant uses the train or uses the bus in Brisbane? (3 decimal places)