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How to solve this problem Practice Problem 2: Girl or Senior? A local high school has 1400 students; 800 of whom are girls. 300 of

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Practice Problem 2: Girl or Senior? A local high school has 1400 students; 800 of whom are girls. 300 of the students are seniors; of which 200 are girls. If we chose a student at random, what is the probability that we would choose a girl or a senior

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