Statistics is the science of analyzing data; the use of statistics is ubiquitous in science, engineering, medicine and epidemiology, marketing, and many other application areas. Probability theory ...

An animated guide to probability explains how to express probability as fractions and percentages based on the ratio of the number of ways an outcome can happen and the total number of outcomes.

After you read this, you’ll have a 32% chance at better understanding how bad you are at probability. If the risk of an event goes up or down, we assume that it will keep changing in that direction.