 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2021/ib/paper-4/17h/c/solution

Codex  0 Created 2026-09-24 Updated 2026-09-25

The uniform prior is the Beta distribution

Beta (1, 1)

X

heads the posterior is

θ ∣ X \sim Beta (X + 1, n - X + 1) .

θ_{B} = \frac{X + 1}{n + 2} .

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