| http://www.w3.org/ns/prov#value | - However, since we have chosen 12 of the 943 farms, i.e. 1.3%, we can guess that the 2515 animals sampled is well under 10% of the total and, therefore, can safely ignore the factor (1-f): iii) A 95% confidence interval for the true population prevalence would then be:
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