 Solution

ID: past-exam-of-the-mathematics-course-of-the-university-of-cambridge/2026/ii/paper-3/28l/a/solution

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

Let

q_{u} = G^{- 1} (u)

. Since

n (\hat{θ} - θ) \sim G

, an exact interval is

[\hat{θ} - q_{1 - α /2} / n, \hat{θ} - q_{α /2} / n]

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