Exam (elaborations)
OCR 2023 GCE FURTHER MATHEMATICS A Y542/01: STATISTICS A LEVEL QUESTION PAPER & MARK SCHEME (MERGED)
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A certain section of a library contains several thousand books. A lecturer is looking for a book that refers to a particular topic. The lecturer believes that one-twentieth of the books in that section of the library contain a reference to that topic. However, the lecturer does not know which bo...
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