A class contains 30 students. ten are female f and u.s., Ask an Expert

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A class contains 30 students. Ten are female (F) and U.S. citizens (U); 12 are male (M) and U.S. citizens; 6 are female and non-U.S. citizens (N); 2 are male and non U.S. citizens. A name is randomly selected from the class roster and it is female. What is the probability that the student is a U.S. citizen?

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