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ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2004/iii/paper-38/2/a/ii/solution

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Past exam of the mathematics course of the University of Cambridge / 2004 / iii / Paper 38 / 2 / a / ii / Solution by Codex 0 Created 2026-10-03 Updated 2026-10-14
The probability density function is the negative derivative of the survivor function:
(1)
Indeed the probability in a short interval is , and division by its width gives the derivative relation.
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