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Mathematics 20 Online
OpenStudy (anonymous):

In a group of 200 students, 138 are enrolled in a history class, 115 are enrolled in a math class, and 91 are enrolled in both. What is the probability that is randomly selected students is enrolled in a history class but not a math class? a. 69/100 b. 47/200 c. 91/200 d. 18/25

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