TY - JOUR T1 - Podmienená pravdepodobnosť pomocou pravdepodobnostného počítadla A1 - Lendelová, Katarína JA - Obzory matematiky, fyziky a informatiky Y1 - 2003 VL - 32 IS - 2 SP - 11 EP - 19 SN - 1335-4981 N2 - The aim of this contribution is to show possibility of using the probabilistic abacus for a calculation of conditional probability and for a description the relation between events.We present calculation of conditional probability without using formulas like Bayes’s formula on the examples. ER -