 Solution

ID: past-exam-of-the-mathematics-course-of-the-year-1-of-the-natural-sciences-course-of-the-university-of-cambridge/2008/paper-2/11/c/solution

Codex  0 Created 2026-10-18 Updated 2026-10-20

The lecture attendances are independent Bernoulli trials with success probability

f

. Their count has the binomial distribution:

P (k ∣ K, f) = (k K) f^{k} (1 - f)^{K - k}, 0 \leq k \leq K .

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