random quantity, random variable
suurus, mis võib võtta suvalise väärtuse teatud kindlast väärtuste kogumist ja millega on seotud tõenäosusjaotus, quantity is referred to as random if, due to the effect of random phenomena, it takes different values with the same probability or with different probabilities, variable that may take any of the values of a specified set of values and with which is associated a probability distribution