Kayan aiki · Na'urar lissafi

Na'urar lissafin jarin cacar roulette

Na'urar lissafin jarin cacar roulette tana nuna abin da kasafin kuɗi ke kashewa a sa'a ɗaya a wani kuɗin caca da gudun wasa, da tsawon lokacin da yawanci yake ɗauka.

Jarin caca

Kuɗin caca

Juye-juye / sa'a

cace-cace a cikin jarin caca

asarar da ake tsammani / sa'a

−$13.51

kaɗawar da aka saba / sa'a (1σ)

±$70.71

sa'o'i bisa ma'aunin da ake tsammani

37 h

adadin caca / sa'a

$500

fifiko

2.70%

Yadda za a karanta sakamakon

Da $10 a kowane juyi da juye-juye 50 a sa'a, kuna caca da $500 a kowace sa'a kuma kuna rasa $13.51 daga ciki a matsakaici. Kaɗawar sakamako daga sa'a zuwa sa'a (±$70.71) ta fi asarar da ake tsammani girma sosai, shi ya sa zaman wasa ke jin kamar na kwatsam yayin da shekaru ba haka suke ba. “Sa'o'i bisa ma'aunin da ake tsammani” matsakaici ne; sa'a ɗaya mara kyau na iya ɗaukar kashi ɗaya cikin uku na jarin caca na $500.

Hanya da zato

Cace-cacen ɗaya zuwa ɗaya. Asarar da ake tsammani = kuɗin caca × juye-juye / 37. Kaɗawa = kuɗin caca × √juye-juye (σ ≈ 1 a kowace raka'a ga cacar ɗaya zuwa ɗaya).