Standard Normal Distribution vs. Student's t Distribution

Use the mouse to adjust degrees of freedom and watch as the probabilities are dynamically calculated.

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)

Click the icon in the upper right corner to reset.

Created with GeoGebra by John Burke