See the Jeffrey posterior section here: https://en.m.wikipedia.org/wiki/Binomial_proportion_confidence_interval https://en.m.wikipedia.org/wiki/Binomial_propor

See the Jeffrey posterior section here: https://en.m.wikipedia.org/wiki/Binomial_proportion_confidence_interval https://en.m.wikipedia.org/wiki/Binomial_proportion_confiden... The blog post uses a non informative Jeffrey prior.