Pick a circle any circle What chance is there, for a circle inside a square? Posted on February 19, 2024 Tags: conditional-probability transformations
Traffic light chase How long until you meet your menacing assailant? Posted on October 23, 2023 Tags: counting convolution
Pinball lights How many shots does it take to turn the lights on? Posted on October 1, 2023 Tags: master-equation
Unbalanced league How often will geography rob your team of a playoff berth? Posted on September 18, 2023 Tags: diagrams counting inclusion-exclusion