The confidence interval for proportions is calculated based on the mean and standard deviation of the sample distribution of a proportion. CI for a population proportion is calculated by taking the point estimation and adding or subtracting it to the margin of error. The most commonly used level of Confidence is 95%. Population Confidence Interval for Proportions Calculation helps you to analyze the statistical probability that a characteristic is likely to occur within the population.
Online calculation of Population Confidence Interval (CI) for Proportions is made easier.