CA2022Proposed solution included

MAT 211 Mathematical Methods & Statistics CA 2022

MAT 211: University of Buea, a tutor 'suggested solutions' sheet confirmed as a duplicate of Paper 15's exact exam; reconstructed from the tutor's own working, correcting a muddled critical-point classification (confirming the saddle-point conclusion from Paper 15/16) and the same +infinity-vs-0 limit sign error seen on Paper 16's tutor key, plus a final-division slip on a Bayes'-theorem computation.

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University of Buea

Faculty of Science - FS

MAT2112022

Mathematical Methods & Statistics

CA · First Semester Resit · Level 200

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Section A: Write down only the number of the question and the letter corresponding to the correct
4.
It has been found that 80% of all accidents in a factory involve human error, 40% involve equipment malfunction, and 35% involve both problems. An accident at a factory is investigated. The probability that it involves human error alone is: A:0.8 B:0.6 C:0.45 D:0.05

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