Itego rya Straight Up muri Ruleti
Itego rya straight up kuri ruleti rishira jetoni ku nomero imwe gusa. Ni itsinzi idakunze kuboneka kuruta izindi ku meza kandi ifise iriha rinini kuruta ayandi, hamwe n'inyungu ya kazino imwe ya 2,70% nk'ayandi matego yose.
Iriha n'ugushoboka vy'itego rya straight up kuri ruleti
Akazu kamwe muri 37 ni ko gatsinda: 1/37, canke 2,70%. Kazino iriha 35:1. Iriha ritabogamye ku tuzu 37 ryoba 36:1; ico gice kimwe kibuze ni co nyungu ya kazino.
EV kuri $1 = (1/37)(35) − (36/37)(1) = −1/37 = −$0,0270
Akarorero k'amahera y'itego
Ihindagurika ry'Ivyavuyemwo
Igihombo citezwe kingana n'ic'inomero zitukura, ariko ugukwiragira kw'ivyavuyemwo si ko kungana. Kuri buri dolari ryateze, itego rya straight up rifise itandukaniro risanzwe rya 5,84 ugereranije na 1,00 ku tego rya rimwe kuri rimwe. Mu kuzunguruka 100 ku $10, umukinyi atega ku nomero zitukura akenshi aguma muri ±$100 y'ivyitezwe; umukinyi atega straight up akenshi aguma muri ±$584.
Ibiranga
- Ivyavuyemwo vyo hagati vy'igihe co gukina ni igihombo kigumye; impuzandengo izamurwa n'amafata ya 35:1 adakunze kuba.
- Igihe citezwe co kurindira ifata ni ukuzunguruka 37, kandi ukurindira kumara igihe kirekire kuruta ivyo abantu benshi biyumvira: inyuma y'ukuzunguruka 37, haracari ugushoboka kwa 36% ko nta tsinzi.
- Urugero rw'ameza rwo hasi ku matego yo hagati akenshi ruba ruri hasi kuri jetoni imwe, ariko kenshi hasabwa igiteranyo gito ntarengwa ku matego yo hagati yose.
- Itego rya straight up kuri ruleti ryitwa plein mu makazino akurikiza uburyo bw'Ubufaransa.
Agakuru ko gutwenga
Igihombo citezwe kingana n'ic'inomero zitukura, mugabo ivyavuyemwo bikwiragiye cane.