Ɔmɔs tɛm yu tɛst
Ɔmɔs spin yu fɔ si bifo wan patɛn min sɔntin.
Fɔ si wan pɔkit we de kam 1 tɛm pan 30 insay 1 tɛm pan 37, ɛn fɔ biliv am wit fayn kɔnfidɛns, yu nid lɛk 4,400 spin. Wan pɔkit we de kam 1 pan 35, di kayn we go rili pe, nid lɛk 70,000.
Wetin mek i bɔku so
Di signal, we na sɔm ɛkstra kam pan ɛni wan tawzin spin, smɔl if yu kɔmpia am wit di binomial nɔys we na √(n·p·(1−p)) ≈ √(n/37). Nɔys de go dɔn lɛk 1/√n, so fɔ kɔt di dawt na af, di spin we yu nid go bɔku fɔ tɛm pas fɔs. Wan pɔkitikwipmɛntPɔkitWan pan di 37 smɔl ples dɛn wit nɔmba pan di rotɔ. Dɛn kin kɔl am bak: slot, kɔp.Rid ɔl → we de kam 1/30 de gi 33 kam pan wan tawzin spin, bɔt wi bin fɔ ɛkspɛkt 27: na siks ɛkstra kam, ɛn di standad diviyeshɔnmatematiksStandad diviyeshɔnDi skwɛ rut fɔ varians; di nɔmal distans bitwin wan rizɔlt ɛn di valyu we fɔ ɛkspɛkt.Rid ɔl → na lɛk fayv. Wan sampul we gɛt wan tawzin spin nɔ go ebul fɔ sho di difrɛns we yu go biliv.
Di fɔmula
Fɔ wan wan-sayd tɛst pan wan pɔkit, na di 5% lɛvɛl wit 80% pawa, di n we yu nid na lɛk ((1.645·√(p₀(1−p₀)) + 0.84·√(p₁(1−p₁))) / (p₁ − p₀))², we p₀ = 1/37 ɛn p₁ na di ret we yu de sɔspɛkt. Dis de wok fɔ wan pɔkit we yu pik bifo yu bigin. If yu de luk ɔl 37 pɔkit fɔ fɛn di wan we ɔt pas ɔl, mɔltipay am bay lɛk tu ɔ tri tɛm, so dat di ret fɔ lay-lay pɔzitiv rizɔlt go de ɔnɛst.
Aw fɔ rid am fɔ tru
Wan ɔt nɔmbalay-lay tɔkƆt nɔmbaNɔmba we dɔn kam mɔ pas aw yu ɛkspɛkt nɔ te. Pan fɛr wil, i nɔ de tɛl yu natin bɔt wetin de kam.Rid ɔl → afta 300 spin na nɔys. Afta 3,000 spin, na rizin fɔ gɛda 3,000 mɔ frɔm di sem wil. Afta 30,000, i kin bi wil we fit fɔ mɛzhɔ wit tul. Ɛni bayas we pɔsin bin yuz insay istri, we dɛn rayt dɔn, bin bil pan bɔku tɛn tawzin spin we dɛn rayt, ɛn ɛni wan pan dɛn bin tek mɔnt dɛn.
Ɔmɔs di data de kɔst
If na 50 spin pan awa, 10,000 spin na 200 awa fɔ rayt, ɔ bɔku wik fɔ kɔpi spin istri we dɛn dɔn pablish, frɔm wan wil edikwipmɛntWil edƆda nem fɔ rotɔ: di pat we de tɔn ɛn we kɛr di nɔmba dɛn.Rid ɔl → we yu no, we di kasino nɔ chenj ples ɔ fiks nyu pɔkit wɔl pan am insay da tɛm de. Na dis, nɔto di statistiks, mek bayas ple dɔn day: di tɛm fɔ fiks di wil shɔt pas di tɛm fɔ gɛda di data.
Ɔmɔs tɛm yu tɛst fɔ si di advantej insɛf
Di sem kɔnt de sho ɔmɔs tɛm i de tek pleya fɔ si di kasino advantejmatematiksKasino advantejDi pat pan ɛni bɛt mɔni we di kasino de kip pan avrej: 2.70% na Yuropian rulɛt.Rid ɔl → insay in yon rizɔlt: lɛk 1,400 ivin-mɔni spin fɔ wan sigma, ɛn 10,000 bifo di advantej klia so dat nɔbɔdi nɔ go dawt am. Ɛnibɔdi we se sistɛm de wok pan spin we smɔl pas dat, na nɔys i de ripɔt.
Fɔmula
Kwɛstyɔn dɛn
Fɔ tɛst sɛkta dɛnwilSɛktaPɔkit dɛn we de fala wan ɔda na wan pat fɔ di wil, nɔto grup na di bɛt tebul.Rid ɔl → insay pɔkit de ɛp, bikɔs prɔblɛm we yu kin tɔch kin afɛkt wan pat pan di wil, ɛn di signal de ad ɔp frɔm wan pɔkit to di ɔda wan. I nɔ de chenj ɔmɔs zero de pan di nɔmba.
Yɛs, if na di sem wil ed ɛn dɛn nɔ sɔvis am. Na dat yu go fɛn at fɔ no.
Na kɔstɔm. I min se rial bayas we big lɛk di wan we wi tɔk, go sho fɔ tɛm pan fayv.
Smɔl jok fɔ ɛz di maynd
Nɔys de go dɔn lɛk 1/√n. Peshɛns de go dɔn kwik pas dat.
Usay wi gɛt am frɔm
- Feller, W. An Introduction to Probability Theory and Its Applications, Vol. 1.
- Barnhart, R. T. Beating the Wheel.