lecture 2: probability concepts ii. ttggg (hi) now have tggg is still a threat." p(hi t) so, p...

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Lecture 2: probability concepts II.

Kolmogorov: axioms of probability theory and the Bayesian viewpoint

(Ω, F, P) probability space:

• sample space Ω (set of all possible outcomes)• set of events F • each event is a subset of Ω containing zero or more outcomes• probability measure P: probability of some event A is P(A)

union of mutually exclusive

Kolmogorov probability concept

(satisfied by frequentist definition of probabilities)

disjoint

Kolmogorov probability concept

Kolmogorov probability concept

A or B A and B

http://www.math.uah.edu/stat/

Venn diagrams at web site ofProbability, Mathematical Statistics, Stochastic Processes:

Kolmogorov probability concept

Kolmogorov probability concept

Kolmogorov probability concept

Kolmogorov probability concept

Kolmogorov probability concept

Kolmogorov probability concept

Bayes’ theorem

?

Bayes’ theorem

Bayes’ theorem

Bayes’ theorem

Bayes’ theorem

Bayes’ theorem

Bayes’ theorem

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