olemus
ISO 3534:
valimruumil määratletud funktsioon,
mille väärtused on reaalarvude k-korteežid
= function defined on a sample space where the values of the function are ordered k-tuplets of real numbers

ülevaateid
https://mathinsight.org/definition/random_variable

https://stats.libretexts.org/Courses/Saint_Mary's_College_Notre_Dame/MATH_345__-_Probability_(Kuter)/3%3A_Discrete_Random_Variables/3.1%3A_Introduction_to_Random_Variables

https://encyclopediaofmath.org/wiki/Random_variable

https://en.wikipedia.org/wiki/Random_variable

https://www.stat.pitt.edu/stoffer/tsa4/intro_prob.pdf

https://www.probabilitycourse.com/

vt ka
- juhuslik arv
- juhuslik protsess