1. Plot a standard normal 95% interval
Statistics studentBackground
A statistics student wants to illustrate the central 95% interval of the standard normal distribution.
Problem
The central area between z = -1.96 and z = 1.96 needs to be shown clearly on a bell curve.
How to use
Set Mean (μ) to 0, Standard deviation (σ) to 1, select Interval [a, b] (z-space), and enter "-1.96 1.96" as the marker value.
showBands: true; decimals: 4Outcome
The tool renders an SVG standard normal curve with the 95% central interval shaded and the σ bands displayed.