Module Descriptors

Statistics

ST235: Probability (5 ECTS)

This is an introductory course to probability theory. Topics include: algebra of events, concepts of conditional probability and independence of events; random variables (rv); discrete and continuous propability distributions; expectation, variance and functions of rv-s; probability and moment generating functions; basic probability inequalities.

Taught in Semester(s) I. Examined in Semester(s) I.

Workload: 36 hours (24 Lecture hours, 12 Tutorial hours).


Module Learning Outcomes. On successful completion of this module the learner should be able to:

  1. Apply basic laws of probability theory to calculate probabilities of composite events obtained by applying set operations
  2. Apply correct combinatorial random sampling rules and calculate probabilities
  3. Use basic properties of probability distributions to calculate derived quantities
  4. Calculate expectations, conditional expecations and variance of a variety of r.v.-s
  5. Prove main theorems and results connecting basic probaility concepts including joint and conditional rv-s
  6. Understand common properties and differences of discrete and continuous r.v.-s
  7. Calculate expectations, variances and distributions of functions of rv-s
  8. Apply generating functions to calculate corresponding distributional properties


Indicative Content

This is an introductory course to probability theory. Topics include: algebra of events, probability spaces, conditional probability, independence of events; cobinatorics and random sampling; concept of a random variable (rv); discrete and continuous probability distributions (mass, density and cumulative distribution functions); functions of rv-s; properties of expectation and variance; conditional and joint rv-s and probability distributions; probability and moment generating functions; Markov and Chebyshev inequalities; Weak law of large numbers; Central limit theorem.


Module Resources

1) C. Grinstead and L. Snell, Introduction to Probability, American Mathematical Society (free online copy)
2) Hoel, Port, Stone, Introduction to Probability Theory, Houghton & Mifflin
3) Stirzaker, Probability and Random Variables, Cambridge


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