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A group of students took a test Below are the summary of grades and where...

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A group of students took a test Below are the summary of grades and where the students sat in the classroom Find the probabilities below and write the answer as a fraction Passed Did Not Pass Total Back of Classroom 10 12 22 Middle of Classroom 5 12 17 Front of Classroom 12 15 27 Total 27 39 66 a If one student is chosen at random find the probability that the student did not pass the test b If one student is chosen at random find the probability that the student passed the test OR sat in the middle of the classroom

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