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 ...
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Monty Hall problem and the math of probability
Your guides to the weird side of the web explain the Monty Hall problem and the math of probability.
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 ...
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