14.73 The qualifying percentage for a midterm test at a particular school is 50%. After the test,...

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14.73 The qualifying percentage for a midterm test at a particular school is 50%. After the test, out of 20 sampled students, 2 students believed that they would fail the test, 15 believed that they would score more than 50%, and the remaining believed that they would score the pass mark. What can we conclude from this information?

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Essential Mathematics And Statistics For Science

ISBN: 9780470694480

2nd Edition

Authors: Graham Currell, Dr. Antony Dowman

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