Duramazwi · masvomhu
Kukosha kunotarisirwa
Mhedzisiro yepakati pabheti rimwe nekufamba kwenguva refu. −1/37 yemari yakabhejwa pabheti rimwe nerimwe reEurope rakajairwa.
Mumashandisirwo
EV = p·kukunda − (1 − p)·mari yakabhejwa. MuRoulette mutemo wemubhadharomariMubhadharoZvinodzoserwa nebheti rakunda, zvinotaurwa se“X kusvika ku1” pamusoro pemari yakabhejwa inodzoserwa.Verengai zvese → unoita kuti saizi yebheti isave nebasa: bheti rimwe nerimwe rine −2.70%.
Maiziva here
Pfungwa iyi yakaberekwa muna 1654 mutsamba pakati paPascal naFermat pamusoro pekugovana mari yemutambo wedhayisi wakamiswa, “problem of points”.