Math, asked by samrat3893, 10 months ago

In a class of 125 students 70 passed in mathematics, 55 passed on statistics and 30 passed in both. What is the probability that a student slected at random feom the class has passed in only one subject?

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Answered by annoyingjustin

Students who passed only in maths = 70-30=40 Students who passed only in statistics = 55-30=25 Probability that students passed in maths = 40/125 Probability that students passed in statistics = 25/125 So, the probability that student selected is passed only in one subject is (40/125 + 25/125) = 65/125 = 13/25

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In a class of 125 students 70 passed in mathematics, 55 passed on statistics and 30 passed in both. What is the probability that a student slected at random feom the class has passed in only one subject?​

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In a class of 125 students 70 passed in mathematics, 55 passed on statistics and 30 passed in both. What is the probability that a student slected at random feom the class has passed in only one subject?