Number of samples needed to obtain desired Bayesian confidence intervals for a proportion
Manion, Robert B.
Lindsay, Glenn F.
Mansager, Bard K.
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This thesis analyzes a Bayesian method for determining the number of samples that are needed to produce a desired confidence interval size for a proportion or probability. It compares the necessary sample size from Bayesian methods with that from classical methods and develops computer programs relating sample size and confidence interval size when a Beta prior distribution is employed. Tables and graphs are developed to assist an experimenter in determining the number of samples needed to produce desired confidence in this estimate of a proportion or probability.
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