https://cis.temple.edu/~ingargio/cis587/readings/wumpus.shtml
A variety of "worlds" are being used as examples for Knowledge Representation, Reasoning, and Planning. Among them the Vacuum World, the Block World, and the Wumpus World. We will examine the Wumpus World and in this context introduce the Situation Calculus, the Frame Problem, and a variety of axioms.
https://ronlevygroup.cst.temple.edu/courses/2016_fall/biost5312/lectures/biostat_lecture_02.pdf
The level of prostate-specific antigen (PSA) in the blood is frequently used as a screening test for prostate cancer. Assuming that each PSA+ and PSA− participant (or at least a representative sample of PSA+ and PSA− participants) is evaluated for the presence of prostate cancer. All PVs can be calculated from counting frequency directly.