Introduction Have you ever heard anyone say the chance of something happening is “50–50”? What does that actually mean? This phrase has something to do with probability. Probability tells you how ...

The chance of rain, shown on a weather app, is given as a percentage. This is a relative frequency, based on real data. The chance of rain, shown on a weather app, is given as a percentage. This is a ...

According to the United States Geological Survey, “more than 75% of declared Federal disasters are related to floods, and annual flood losses average almost $8 billion with over 90 fatalities per year ...