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One-proportion Z-test and Z-interval

This GeoGegbra spreadsheet applet performs the calculations for one-proportion Z-tests and one-proportion Z-intervals Change the values in the yellow input cells for your test or interval. Output headings are highlighted in turquoise. Z-interval is to the left of the vertical gray bar and gives 90%, 95% and 99% confidence intervals Z-test is to the right of the vertical gray bar and gives p-values for alternative hypotheses <, > and ≠.