Statistika nuda je,
má však cenné údaje,
neklesejme na mysli,
ona nám to vyčíslí.
Pasha Zusmanovich

6PAS1 Probability and Statistics 1, winter semester 2025/2026

Tuesday 09:10-10:45   G401   ("Lectures" only)

Exam terms:
Thursday December 18  09:00   G302
FridayDecember 19  09:00   G503
MondayDecember 22  09:00   G503

Rules for taking exams


A parallel Czech-English text covering some of the topics:   pdf TeX
Yet another presentation covering more topics:   pdf TeX

LITERATURE
Main: Additional:
All the books are available in electronic form in multiple places.         = available in the university library

A BRIEF SYNOPSIS
(Each class lasted approximately 1.5 hours, unless specified otherwise; tutorials are running separately)

Class 1 September 23, 2025
Organizational issues. The subject of probability and statistics. A brief refresher of combinatorics (permutations, variations without and with repetitions, combinations, binomial coefficients).

Class 2 September 30, 2025
Inclusion-exclusion principle. Probabilistic terminology: sample space, event, elementary event, examples. Definition of probability, examples. Inclusion-exclusion principle for probabilities.

Class 3 October 7, 2025
Relationship between different inclusion-exlcusion principles. Conditional probability. Bayes' formula and its generalization. Two independent events (equivalent definitions).

Class 4 October 14, 2025
Properties of independence of two events: behavior with respect to complement, absence of transitivity. Independence of a set of events (equivalence of two definitions).

Class 5 October 21, 2025
Discrete random variable, mass function, and distribution function. Examples. Properties of discrete distribution functions: piecewise constant, non-decreasing, \(\lim_{x\to -\infty} F_X(x) = 0\), \(\lim_{x\to +\infty} F_X(x) = 1\). Continuous random variable. Interplay between discrete and continuous. Continuous distribution function, density function, its properties. Density is not probability!

Class 6 November 11, 2025 (3 hours)
Definition of expectation, variance, and standard deviation of discrete and continuous random variable. Alternative formula for variance: \(Var(X) = E(X^2) - E(X)^2\). Change of variables formulas for expectation. Linear change of variables for expectation and variance. Formulas for sums of powers. Discrete and continuous uniform distribution, its expectation and variance. Binomial distribution.

Class 7 November 18, 2025
Expectation and variance of binomial distribution. Geometric distribution, exponential distribution (definition, computation of expectation and variance for each distribution). Memoryless property of geometric distribution.

Class 8 November 25, 2025
Memorylessness of exponential distribution. Poisson distribution. Normal distribution, it's significance, Central Limit Theorem. Idea of a proof of the Central Limit Theorem using characteristic function of a random variable and its properties (mainly according to Wikipedia: Central limit theorem, Characteristic function).


A brief synopsis and homeworks from this course at the previous semesters


Created: Sun Sep 24 2017
Last modified: Tue Nov 25 2025 13:05:16 CET