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18.440

Probability and Random Variables

Undergraduate · Historical course

Spring 2014

Topics

  • Permutations and combinations
  • Multinomial coefficients and more counting
  • Sample spaces and set theory
  • Axioms of probability
  • Probability and equal likelihood
  • Conditional probabilities
  • Bayes’ formula and independent events
  • Discrete random variables
  • Expectations of discrete random variables
  • Variance
  • Binomial random variables, repeated trials and the so-called Modern Portfolio Theory
  • Poisson random variables
  • Poisson processes
  • More discrete random variables
  • Continuous random variables
  • Uniform random variables
  • Normal random variables
  • Exponential random variables
  • More continuous random variables
  • Joint distribution functions
  • Sums of independent random variables
  • Expectation of sums
  • Covariance and correlation
  • Conditional expectation
  • Moment generating distributions
  • Weak law of large numbers
  • Central limit theorem
  • Strong law of large numbers and Jensen’s inequality
  • Markov chains
  • Entropy
  • Martingales and the Optional Stopping Time Theorem
  • Risk Neutral Probability and Black-Scholes

Readings

Sources