Mtengo Woyembekezeka mu Roulette
Mtengo woyembekezeka mu roulette ndi zotsatira za avareji za betcha mukanatha kulibwereza kosatha. Mu roulette ya ku Ulaya ndi wofanana pa betcha lililonse lokhazikika: mumataya 1/37 ya ndalama zobetcha zilizonse, pa avareji, pa kuzungulira kulikonse.
M’mawu osavuta
Taganizirani kuika betcha lomwelo la $10 pa zofiira nthawi miliyoni imodzi. Mazungulidwe ena amapambana $10, ena amataya $10. Phatikizani zotsatira zonse ndi kugawa ndi miliyoni: mumapeza pafupifupi −$0.27. Chiwerengero chimenecho ndi mtengo woyembekezeka wa betcha la roulette. Si zimene zimachitika pa kuzungulira kulikonse; ndi avareji ya nthawi yaitali pa kuzungulira kulikonse.
Fomula ya EV ya betcha la roulette
p = n/37 · W = S·(36/n − 1) · n = manambala ophimbidwa · S = ndalama zobetcha
Lowetsani lamulo la malipiro a roulette, 36/n − 1, ndipo n imachotsedwa. Imeneyo ndi nkhani yonse ya phindu la kasino m’mzere umodzi:
= S·(36 − n − 37 + n)/37
= −S/37
Yesani: chowerengera mtengo woyembekezeka wa roulette
Sankhani kuti betcha limaphimba manambala angati. Kuthekera ndi malipiro zimasintha; mtengo woyembekezeka susintha.
Momwe zimaonekera pakapita nthawi
Zotsatira za avareji pa kuzungulira kulikonse kwa betcha la $10 pa zofiira, pamene mazungulidwe akuchuluka. Poyamba, mwayi ndiwo umalamulira; avareji yopitirira imakhazikika kulowera ku −$0.27 pamene chitsanzo chikukula. Uku ndiko kuyandikira kwa nthawi yaitali kumene kasino imadalira.
Maganizo olakwika ofala
Nthabwala yopumitsa
Osati zimene zimachitika pa kuzungulira kumodzi. Avareji ya kuzungulira konse.