For any event that has multiple outcomes with different probabilities, it can be helpful and illustrative to construct a chart or diagram of the possible outcomes. Tree diagrams are a useful example ...

Evolutionary dynamics act on populations. Neither genes, nor cells, nor individuals evolve; only populations evolve. In small populations, random drift dominates, whereas large populations are ...

How big was the Patriots’ 25-point comeback against the Falcons? It was by far the biggest ever in a Super Bowl; before Sunday, no team had overcome anything bigger than a 10-point lead. This isn’t ...

•The chosen variable is displayed on the X Axis; cumulative probability is shown on the Y Axis by default. There are two buttons in the upper right corner, next to the variable chooser: •Show CDF: ...