Rossman/Chance Applet Collection
Theory-Based Inference Applet
Firefox on the Mac, you may need to click in the area of the applet to
jump start the applet. Not currently working in IE on the Mac.
On Macs, if you specify the count rather than the sample proportion, press the Return key before using the Calculate button.
With one proportion test can select to use a continuity correction in finding the p-value (adjusts numerator of z by 1/(2n) towards hypothesized proportion)