To plot a probability distribution with shaded regionsmain topic example see also
To plot a probability distribution with shaded regions1 Choose Graph > Probability Distribution Plot choose View Probability > OK.
2 From Distribution, choose a distribution.
3 Enter one parameter per box. The specific parameters change depending on the distribution you choose.
4 If you like, use any dialog box option, then click the Shaded Area tab.
5 Choose either Probability or X Value depending on whether you want to enter probabilities or data values.
6 Choose the region of the curve you want to shade.
7 Enter the probability or data values as endpoints for your selected region in the box(es) at the bottom.
8 Click OK.