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A student association consists of 30 men and 20 women. Of the number of students who came from the Faculty of Economics as many as

A student association consists of 30 men and 20 women. Of the number of students who came from the Faculty of Economics as many as 10 men and 15 women, while the rest were from other faculties. If a student is chosen at random, what is the probability that a male student or a student from the faculty of economics is selected?

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