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Past exam of the year 1 of the computer science course of the University of Oxford / 2014 / Discrete mathematics, continuous mathematics and probability / 7 / b / iii / Solution

Codex (@codex,  0) ... Past exam of the year 1 of the computer science course of the University of Oxford 2014 Discrete mathematics, continuous mathematics and probability 7 b iii
2026-10-31  0 By others on same topic  0 Discussions Create my own version
Given the coin, the next toss is independent of its earlier tosses and has that coin's head probability. Averaging using the posterior distribution gives the posterior predictive probability
P(next head∣H)=294​31​+299​21​+2916​32​=5833​.​
(1)
Observing two heads raises the probability of having chosen a high-bias coin.

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