Plus Four Confidence Interval for Proportion Calculator

plus-four-confidence-interval-proportion-calculator

Plus Four Confidence Interval for Proportion Calculator Use this calculator to compute the plus four confidence interval for population proportion. Plus Four Confidence Interval Calculator Sample Size ($n$) Number of successes ($k$) Confidence Level ($1-\alpha$) Select90%95%98%99% Calculate Results Estimate of proportion: ($\hat{p}$) Standard Error of proportion: ($SE$) Z-critical value: ($Z_{\alpha/2}$) Margin of Error: ($E$) Lower …

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