the marks obtained by 90 students of two sections of a school in english. find a probability that a student obtained marks less than 40(0-20 marks 8 students)(20-40 marks 12 students)
the marks obtained by 90 students of two sections of a school in english. find a probability that a student obtained marks less than 40(0-20 marks 8 students)(20-40 marks 12 students)
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Answer:
2/9 is right answer.
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