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3. [n the statistic department of UCI, there are t] graduate students in total. =15 PhD students and 15 master students. Among master students, 4D%

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3. [n the statistic department of UCI, there are t] graduate students in total. =15 PhD students and 15 master students. Among master students, 4D% of them are international students. Among PhD students. 211% are international students. {a} [5 points) What is the proportion of international students in the statistic department? {h} {5 points] 'What is the proportion of master students among all domestic students

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