@article {agresti2000simple,
	title = {Simple and effective confidence intervals for proportions and differences of proportions result from adding two successes and two failures},
	journal = {The American Statistician},
	volume = {54},
	number = {4},
	year = {2000},
	pages = {280{\textendash}288},
	publisher = {American Statistical Association},
	author = {Agresti, A and Caffo, B}
}
