* First, select the number $(1,\ 2, \text{...} \ )$ of the task to be processed.
The number "$0$" corresponds to a "Reset": Same setting as at program start.
* A task description is displayed. The parameter values are adjusted.
Solution after pressing "Show Solution".
* In the following $\text{Red}$ stands for the random variable $X$ and
$\text{Blue}$ for $Y$.