## Confidence Interval for Population Proportion Calculator

Confidence Interval for Population Proportion Calculator Confidence interval for population proportion calculator computes estimate of proportion,standard error of proportion,Z-critical value,margin of error,lower and upper confidence limits based on sample size,number of successes and confidence level input values. Confidence Interval for population proportion calculator Sample Size ($n$) Number of successes ($k$) Confidence Level ($1-\alpha$) Select90%95%98%99% Calculate …