Mathematics, 09.12.2020 22:10 alexandroperez13

Mr Brown's statistics class consists of 21 seniors. The class took two quizzes in one week, and 12 of the students in the class passed both quizzes. What is the probability that the same students who passed the first quiz also passed the second quiz given that 19 students passed the first quiz?

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Mr Brown's statistics class consists of 21 seniors. The class took two quizzes in one week, and 12 o...