Probability Theory

The mathematics of uncertainty and random phenomena.

Parent category: Statistics

Articles (4)

• The Monty Hall Problem: Why Switching Wins 2/3 of the Time
  In the Monty Hall problem, switching doors wins the car two-thirds of the time. See the counterintuitive probability explained step by step, with its assumptions.
• Markov Chains
  Markov chains explained: memoryless processes, transition matrices, stationary distributions, and uses from PageRank to weather models and text generation.
• Hypothesis Testing
  The statistical framework for deciding whether data support a claim, using null hypotheses, p-values, and error probabilities.
• Central Limit Theorem
  The theorem that averages of many independent random variables become approximately normally distributed, regardless of the original distribution.

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