Ibikoresho · Mubazi

Mubazi y'Ubwishyu bwa Roulette

Mubazi y'ubwishyu bwa roulette: ayagaruka, inyungu nyayo n'igihombo giteganyijwe ku ngano y'itega kuri buri tega.

Itega

Ingano y'itega

itega

$10

niritsinda

+$350 · $360 agaruka

niritsindwa

−$10

amahirwe yo gutsinda

2,70%

agaciro gateganyijwe / izunguruka

−$0,27

igihombo giteganyijwe / amazunguruka 100

−$27,03

Gusoma igisubizo

Gutega $10 kuri straight up bigarura $360 iyo rifashe (inyungu ya $350 wongeyeho itega) kandi ugatakaza $10 mu bindi bihe. Ku mpuzandengo y'amazunguruka menshi ni igihombo cya $0,27 kuri buri zunguruka, ni ukuvuga 2,70% y'itega.

Uburyo n'ibyo bishingiyeho

Ubwishyu = ingano y'itega × (36/n − 1). Agaciro gateganyijwe = p·W − (1−p)·ingano y'itega = −ingano y'itega/37. Nta la partage.