Mathematics, 01.05.2021 19:30, christyr2002

In a math class with 21 students, a test was given the same day that an assignment was due. There were 14 students who passed the test and 16 students who completed the assignment. There were 12 students who passed the test and also completed the assignment. What is the probability that a student chosen randomly from the class passed the test or completed the homework?

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