A Markov chain is a sequence of random variables that satisfies P(X t+1 ∣X t ,X t−1 ,…,X 1 )=P(X t+1 ∣X t ). Simply put, it is a sequence in which X t+1 depends only on X t and appears before X t−1 ...

👉 Learn how to find the theoretical probability of an event. Probability is the chance of an event occurring or not ...

👉 Learn how to find the probability of mutually exclusive events. Two events are said to be mutually exclusive when the two ...

The World Science Festival's panel on Probability and Risk started out in an unusual manner: MIT's Josh Tennenbaum strode onto a stage and flipped a coin five times, claiming he was psychically ...

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.

A GCSE Maths video about what frequency trees are and how to create them. With worked examples, this video shows how frequency trees can be used to record and organise large amounts of information ...