Olukalala lw'ebigambo · okubala
Omuwendo ogusuubirwa
Ekivaamu eky'omu makkati ku buli zzaala mu bbanga eddene. −1/37 ya ssente za zzaala ku buli zzaala eya bulijjo eya Bulaaya.
Mu mbeera yaakyo
EV = p·win − (1 − p)·stake. Mu roulette etteeka lya nsasulassenteEnsasulaZzaala ewangudde ky'ekomyawo, ekyogerwa nga “X ku 1” okwongera ku ssente za zzaala ezizzibwayo.Soma byonna → lifuula obunene bwa zzaala obutaba na makulu: buli zzaala eri −2.70%.
Obadde okimanyi
Endowooza eno yazaalibwa mu 1654 mu bbaluwa wakati wa Pascal ne Fermat ku ngeri y'okugabana ssente z'omuzannyo gwa ddayisi ogwasalibwako, “ekizibu ky'obubonero”.