Information for the lottery urn
The lotto-urn is a random generator representing an urn filled with numbered
balls.
The frequency of the balls and the span of the numbers is adjustable.
In the initial state the lotto-urn contains the elements 1 to 49. But you can
also instantiate this urn to contain elements from e.g. 20 to 40. The lotto-urn
is typically used to model the German lotto game “6 out of 49”.
The lottery urn has to be connected with a drawing node.
Use the draw with put back or the draw without put back edge
.

Possible successors: simple drawing node,
multiple drawing node