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Mathematics course of the University of Cambridge

Past exam of the mathematics course of the University of Cambridge

2025

Paper 219

All three sets of statistics are independent. With $s_1=\widehat S_1$, $s_{2g}=\widehat S_2^g$, and $s_{3i}=\widehat S_3^i$, their <likelihood function>, up to a parameter-independent factor, is
$$
L(M_0^*,\Delta M,\mathcal M)
\propto
\exp\!\left[-\frac{(s_1-M_0^*)^2}{2V_1}
-\sum_{g=1}^G\frac{(s_{2g}-\Delta M)^2}{2V_2}
-\sum_{i=1}^{N_{\mathrm{SN}}}\frac{(s_{3i}-\mathcal M)^2}{2\sigma_{\mathrm{SN}}^2}
\right].
$$

Solution

Past exam of the mathematics course of the University of Cambridge / 2025 / iii / Paper 219 / 1 / d / Solution

Past exam of the mathematics course of the University of Cambridge / 2025 / iii / Paper 219 / 1 / d / Solution

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Past exam of the mathematics course of the University of Cambridge / 2025 / iii / Paper 219 / 1 / d / Solution

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