# Construction of fixed width confidence intervals for a Bernoulli success probability using sequential sampling: a simulation study

Zhou, Sanyu and Liu, Wei
(2011)
Construction of fixed width confidence intervals for a Bernoulli success probability using sequential sampling: a simulation study.
*Journal of Statistical Computation and Simulation*, 81, (11), 1483-1493. (doi:10.1080/00949655.2010.492473).

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## Description/Abstract

This article considers the construction of level 1−α fixed width 2d confidence intervals for a Bernoulli success probability p, assuming no prior knowledge about p and so p can be anywhere in the interval [0, 1]. It is shown that some fixed width 2d confidence intervals that combine sequential sampling of Hall [Asymptotic theory of triple sampling for sequential estimation of a mean, Ann. Stat. 9 (1981), pp. 1229–1238] and fixed-sample-size confidence intervals of Agresti and Coull [Approximate is better than ‘exact’ for interval estimation of binomial proportions, Am. Stat. 52 (1998), pp. 119–126], Wilson [Probable inference, the law of succession, and statistical inference, J. Am. Stat. Assoc. 22 (1927), pp. 209–212] and Brown et al. [Interval estimation for binomial proportion (with discussion), Stat. Sci. 16 (2001), pp. 101–133] have close to 1−α confidence level. These sequential confidence intervals require a much smaller sample size than a fixed-sample-size confidence interval. For the coin jamming example considered, a fixed-sample-size confidence interval requires a sample size of 9457, while a sequential confidence interval requires a sample size that rarely exceeds 2042

Item Type: | Article |
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ISSNs: | 0094-9655 (print) |

Subjects: | H Social Sciences > HA Statistics |

Divisions: | Faculty of Social and Human Sciences > Mathematical Sciences > Statistics |

ePrint ID: | 337145 |

Date Deposited: | 19 Apr 2012 13:46 |

Last Modified: | 27 Mar 2014 20:20 |

URI: | http://eprints.soton.ac.uk/id/eprint/337145 |

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