Kev twv roulette · Kev twv sab nraud · douzaine · 7 feeb

Twv pawg kaum ob hauv roulette

Kev twv pawg kaum ob hauv roulette npog kaum ob tus lej sib law liag: 1–12, 13–24 lossis 25–36.

Lus teb luv

Kaum ob tus lej, them 2:1. Feem tshwm simlejFeem tshwm simFeem uas ib qhov tshwm sim yuav muaj, txij 0 txog 1 los yog 0% txog 100%. Ib tus lej: 1/37 = 2.70%.Nyeem tag nrho → 32.43%. Xoom poob.

npog
12 / 37
feem tshwm sim
32.43%
them
2:1
SD rau txhua $1
1.39
Ntawm lub rooj · 12 tus lej
Ntawm lub log
0321519421225173462713361130823105241633120143192218297281235326

Cov pawg kaum ob nyob qhov twg ntawm lub rooj roulette?

Peb lub thawv raws sab ntev ntawm daim duab rooj twvkhoom sivDaim duab rooj twvDaim duab twv uas luam rau saum lub rooj. Kuj hu ua: rooj, ntaub ntsuab, ntaub.Nyeem tag nrho →, sau tias 1st 12, 2nd 12, 3rd 12 lossis, ntawm cov rooj Fabkis, P12 (première), M12 (moyenne), D12 (dernière). Txhua lub yuav tsum txog ciam tsawg tshaj ntawm lub rooj ntawm nws tus kheej. Xoomlub logXoomTib lub qhov ntsuab uas tsis muaj kev twv them sib npaug, pawg kaum ob los yog kab ntsug twg npog; yog qhov uas feem tsev twv txiaj los ntawm. Kuj hu ua: ib lub xoom, 0.Nyeem tag nrho → tsis nyob hauv pawg kaum obkev twvPawg kaum ob1–12, 13–24 lossis 25–36, them 2:1.Nyeem tag nrho → twg.

Lub pob poob rau qhov twg thaum twv pawg kaum ob% ntawm cov zaus kiv
qhov twv no yeej
32.43%
lwm tus lej
64.86%
xoom
2.70%
% ntawm cov zaus kiv
032.4364.86%

Ciam twv ntawm lub rooj rouletteRoulette Fabkis

Kev twv pawg kaum ob hauv roulette: nyiaj them thiab qhov xav tias yuav tau

Feem ncaj ncees rau kaum ob tus lej ntawm 37 tus yog 2.083 rau 1; lub rooj them 2. Yog koj twv pawg kaum ob $10 thiab nws raug, koj tau $20. Raws qhov nruab nrab, hauv 37 zaus kiv: 12 zaug raug (+$240), 25 zaug tsis raug (−$250), tag nrho −$10.

$10 × 100 zaus kivpawg kaum ob
feem tshwm sim txhua zaus kiv32.43%
zaus yeej xav tias yuav muaj hauv 100 zaus kiv32.4
qhov tshwm sim xav tias yuav muaj−$27.03
qhov sib txawv txheem$140
p(tsis yeej li hauv 100 zaus kiv)0.000000%
zaus poob sib law liag ntev tshaj uas feem ntau muaj12 zaus kiv
Nyiaj yuav poob raws nruab nrab zoo ib yam li txhua yam kev twv. Qhov koj xaiv tiag yog qhov nce nqis.

Ob pawg kaum ob ua ke

Npog ob pawg kaum ob nrog npibnyiajNpibIb lub cim uas sawv cev rau ib tus nqi ruaj, muab tso rau saum daim duab rooj twv kom twv. Kuj hu ua: check.Nyeem tag nrho → sib npaug yeej 24 ntawm 37 zaus kiv (64.9%) tab sis tau tiag tsuas yog ib chav twvnyiajChav twvNyiaj twv pib uas ib txheej txheem los yog ib tus neeg ua si siv. Kev nce nyiaj twv raug piav ua chav twv kom siv tau ntawm txhua lub rooj.Nyeem tag nrho → xwb: koj yeej 2 ntawm ib pawg thiab poob 1 ntawm lwm pawg. 13 zaus kiv uas poob, txhua zaus poob ob chav twv. (24 × 1 − 13 × 2)/37 = −2/37 rau txhua ob chav twv, yog 2.70% li ib txwm. Lub duab no zoo nyiam, yeej yuav luag ob zaus ntawm peb zaus kiv, tab sis feem tsev twv txiaj tsis hloov.

$10 rau txhua ob pawg kaum obqhov tshwm simfeem tshwm simqhov tshwm sim
lub pob poob rau pawg kaum ob uas npogyeej ib qho, poob ib qho64.86%+$10
lub pob poob rau pawg kaum ob thib pebpoob ob qho32.43%−$20
xoompoob ob qho2.70%−$20
xav tias yuav tau txhua zaus kiv−$0.54
2.70% ntawm $20 uas twv.

Pawg kaum ob hauv roulette thiab kev nce nyiaj twv

Muab nyiaj twv ntxiv ob npaug tom qab poob ntawm pawg kaum ob tsis rov tau nyiaj ib yam li ntawm kev twv them sib npaug: nyiaj themnyiajNyiaj themQhov uas ib qho kev twv yeej them rov qab, hais ua “X rau 1” ntxiv rau nyiaj twv uas xa rov qab.Nyeem tag nrho → 2 rau 1 tom qab ntxiv ob npaug rov tau ob zaug poob, tsis yog tag nrho, yog li ntawd “Martingaletswv yimMartingaleKev nce nyiaj twv uas muab nyiaj twv ntxiv ob npaug tom qab txhua zaus poob. Saib ntu Tswv yim txog qhov nws ua tau thiab qhov nws ua tsis tau.Nyeem tag nrho → pawg kaum ob” li qub ntxiv peb npaug hloov. Ntxiv peb npaug mus txog ciam twv ntawm lub roojlub roojCiam twv ntawm lub roojNyiaj twv tsawg tshaj thiab ntau tshaj uas tso cai. Ciam ntau tshaj yog qhov uas nres kev nce nyiaj twv ob npaug.Nyeem tag nrho → $500 txij $5 hauv tsib kauj ruam, piv rau xya kauj ruam rau ntxiv ob npaug ntawm liabkev twvLiabKev twv them sib npaug rau 18 tus lej liab. Lus Fabkis: rouge.Nyeem tag nrho →. Cov txheej txheem uas hloov pawg kaum ob twg yuav hla tsis hloov dab tsi li, vim cov zaus kiv tsis cuam tshuam.

Cov zaus kiv roulette tsis cuam tshuam

Ntawm lub log

Kaum ob tus lej ntawm ib pawg kaum ob nyob tawg thoob plaws ntug log; pawg kaum ob thib ib nyob rau cov qhovkhoom sivLub qhovIb ntawm 37 lub qhov muaj lej saum lub log kiv. Kuj hu ua: slot, khob.Nyeem tag nrho → 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 uas nyob tawg thoob plaws tag nrho lub log. Pawg kaum ob yog kev twv raws daim duab rooj twv uas tsis muaj thaj loglub logThaj logIb txoj kab qhov uas nyob sib txuas saum lub log, txawv ntawm ib pawg lej saum daim duab rooj twv.Nyeem tag nrho → tiag, yog vim li ntawd cov neeg ua si nrhiav lub log tsis ncaj yeej tsis siv nws.

Cov lus nug

Hauv roulette, puas muaj ib pawg kaum ob muaj hmoov dua lwm pawg?

Tsis muaj. Txhua pawg yog 12 ntawm 37. Pawg kaum ob thib ob muaj 17, tus lej uas neeg twv ntau tshaj, tab sis qhov ntawd tsis cuam tshuam dab tsi li.

Kuv puas twv tau tag nrho peb pawg kaum ob?

Tau, thiab koj yuav yeej ib pawg thiab poob ob pawg rau 36 ntawm 37 zaus kiv, thiab poob tag nrho peb pawg thaum tawm xoom.

Vim li cas pawg kaum ob thiab kab ntsug ob qho them 2 rau 1?

Ob qho npog kaum ob tus lej. Txoj cai nyiaj them tsuas suav tias npog pes tsawg tus lej xwb.

Lus lom zem

Yeej 64.9% ntawm cov zaus kiv. Poob 2.70% ntawm cov nyiaj.

Yeej 64.9% ntawm cov zaus kiv. Poob 2.70% ntawm cov nyiaj.

Qhov chaw los

  1. Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling. Springer, 2010. Tshooj 13, roulette.
kuaj xyuas 2026-09-28qauv: roulette Europe, ib lub xoomtxoj kev ua haujlwm ↗qhov chaw los ↗