Nkyerɛkyerɛmu: dumienu kuo mmienu roulette ɔkwan
Dɔla du wɔ dumienu kuo mmienu biara so, nɔma 24 a ɛkata so, kyinhyia aduonum. Roulette dumienu kuo mmienu ɔkwan no yɛ bɛt a ɛkata nɔma pii so a ɛdi nkonim kyinhyia mmienu wɔ mmiɛnsa mu na ɛda so gye 2.70%.

Agorɔ bere a ɛyɛ sɔhwɛ, kyinhyia 50, a $10 wɔ dumienu kuo a edi kan ne deɛ ɛtɔ so mmienu so. Nkonim aduasa baako a biara yɛ $10, ahwereɛ dunkron a biara yɛ $20 (dumienu kuo a ɛtɔ so mmiɛnsa anaa hwee). Mfasoɔ ankasa −$70, na kane no na ɛkɔɔ soro $90. Bɛt a ɛyɛ sɛ ahobammɔ wom ɛfiri sɛ ɛtaa di nkonim, na ne boɔ yɛ pɛpɛɛpɛ sɛ afoforɔ no nyinaa.
Nhyehyɛe no: roulette dumienu kuo mmienu ɔkwan
$10 wɔ dumienu kuobɛtDumienu kuo1–12, 13–24 anaa 25–36, akatua 2:1.Kenkan ne nyinaa → a edi kan so ne $10 wɔ deɛ ɛtɔ so mmienu so. Nɔma a ɛfiri 1 kɔsi 24 tua dumienu kuo baako $20 na ɛhwere baako no $10: +$10. Nɔma a ɛfiri 25 kɔsi 36, anaa hweentwahonanHweeTokuru ahabammono baako a sika pɛ bɛt, dumienu kuo bɛt anaa santen tee bɛt biara nkata so; kasino mfasoɔ fibea. Wɔfrɛ no nso hwee baako, 0.Kenkan ne nyinaa →, hwere ne mmienu nyinaa: −$20. Boɔ a wɔhwɛ kwanakontaabuBoɔ a wɔhwɛ kwanNsunsuansoɔ mfinimfini boɔ wɔ bɛt biara so wɔ bere tenten mu. Bɛt sika no −1/37 wɔ Yuropu bɛt biara a ɛyɛ daa deɛ so.Kenkan ne nyinaa →: (24 × 10 − 13 × 20)/37 = −20/37 = −$0.54 kyinhyia biara, a ɛyɛ $20 no 2.70%. Nkonim dodoɔ 64.9%, na ɛno ne nɔma a ɛton bɛt no.
Kyinhyia 1–25
Nkonim dunwɔtwe, ahwereɛ nson: +$180 − $140 = +$40. Ahwereɛ nson no mu, hwee baa mprɛ baako, na dumienu kuo a ɛtɔ so mmiɛnsa nɔma mmiɛnsa a ɛtoatoa so baa kyinhyia 11–13 mu gyee $60 a ɛtoatoa so, na ɛyɛɛ sɛ ɛyɛ soronko. Na ɛyɛ 35.1% no a ɛreba bom, na ɛtaa ba bom saa.

Kyinhyia 26–50
Nkonim dumiɛnsa, ahwereɛ dumienu: +$130 − $240 = −$110. Ahwereɛ dumienu wɔ kyinhyia 25 mu yɛ asɛm a ɛba 20%, ɛnyɛ nwanwa. Awieeɛ no −$70; deɛ ɛkɔɔ soro sen biara +$90 wɔ kyinhyia 31 so. Bɛt no amma nsakraeɛ kɛseɛ biara anka ɔkwan biara so, ɛfiri sɛ nkonim yɛ $10 na ahwereɛ yɛ $20; ɛkɔɔ so brɛoo ara kɔɔ fam.
- p10 −$500
- p25 −$500
- mfinimfini nɔma −$280
- p75 −$40
- p90 +$170
Akontaa no
Bɛt sika nyinaa $1,000 wɔ kyinhyia 50 mu. Ahwereɛ a wɔhwɛ kwanakontaabuAhwereɛ a wɔhwɛ kwanBoɔ a wɔhwɛ kwan bɔ bɛt sika nyinaa ho; ahwereɛ mfinimfini boɔ wɔ agorɔ bere anaa bere bi mu.Kenkan ne nyinaa → $27; deɛ ɛbaa ankasa −$70, bɛyɛ gyinapɛn nsakraeɛakontaabuGyinapɛn nsakraeɛNsakraeɛ ntini; ntam kwan a ɛtaa da deɛ ɛfiri mu ba ne boɔ a wɔhwɛ kwan ntam.Kenkan ne nyinaa → baako wɔ fam (σ wɔ kyinhyia biara so bɛyɛ $14, enti bɛyɛ $100 wɔ kyinhyia 50 mu). Sɛ wode $20 koro no ara to kɔkɔɔbɛtKɔkɔɔSika pɛ bɛt wɔ nɔma kɔkɔɔ 18 no so. Franse kasa mu: rouge.Kenkan ne nyinaa → so a, anka boɔ a wɔhwɛ kwan no bɛyɛ pɛ na σ ayɛ kɛseɛ, bɛyɛ $140 wɔ agorɔ bere no mu: dumienu kuo mmienu yɛ ɔkwan a ne nsakraeɛakontaabuNsakraeɛNsusuiɛ a ɛkyerɛ sɛdeɛ nsɛm a ɛfiri mu ba no trɛ wɔ boɔ a wɔhwɛ kwan ho. Ɛso ma nɔma baako bɛt, ɛsua ma sika pɛ bɛt.Kenkan ne nyinaa → sua a wobɛfa so ahwere sika dodoɔ koro no ara.
Deɛ agorɔ bere no kyerɛ
Sɛ wokata nɔma 24 so a, ɛma roulette yɛ sɛ agorɔ a wotaa di nkonim, na wodi nkonim ampa: kyinhyia 64.9%. Wɔahyehyɛ akatuasikaAkatuaDeɛ bɛt a edi nkonim de ma, a wɔka no sɛ “X tia 1” ka bɛt sika a ɛsan ba no ho.Kenkan ne nyinaa → no sɛdeɛ 35.1% a wohwere no gye mmɔho deɛ nkonim no tua, na bɛt nhyehyɛenneɛma a wɔde diBɛt nhyehyɛeBɛt nhyehyɛe a wɔatintim wɔ ɛpono no so. Wɔfrɛ no nso ɛpono, ntoma, felt.Kenkan ne nyinaa → no ma kyɛfa no yɛ −1/37 wɔ bɛt sika nyinaa so. Fa agorɔ sikasikaAgorɔ sikaAdeɛ a ɛgyina hɔ ma sika dodoɔ bi a ɛnsesa, a wode to bɛt nhyehyɛe no so de to bɛt. Wɔfrɛ no nso check.Kenkan ne nyinaa → to hwee so sɛ “ahobammɔ” a, kasino mfasoɔ a wɔaka abom no da so yɛ 2.70%, ɛfiri sɛ ahobammɔ no boɔ nso yɛ 2.70%. Asɛmmisa: Dumienu kuo mmienu ne agorɔ sika baako krataafa no kyerɛkyerɛ mu.
Nsɛmmisa
Akontaabu koro no ara: nɔma 24, +1 kyɛfasikaKyɛfaBɛt sika a ɛwɔ ase a nhyehyɛe anaa agorɔfoɔ de yɛ adwuma. Wɔka bɛt nsakraeɛ ntoatoasoɔ ho asɛm wɔ kyɛfa mu sɛdeɛ ɛbɛyɛ a ɛbɛfata ɛpono biara.Kenkan ne nyinaa → sɛ ɛbɔ a, −2 sɛ ɛmmɔ a. Santen teebɛtSanten teeNɔma dumienu a ɛwɔ bɛt nhyehyɛe no santen tee baako mu, akatua 2:1.Kenkan ne nyinaa → trɛw nɔma a ɛkata so no wɔ ntwahonan no so; dumienu kuo boaboa wɔn ano wɔ bɛt nhyehyɛe no so. Ne mmienu biara ho nhia.
Ɛkata nɔma 25 so; seesei hwee de +$16 ba mmom sen −$20, na ɛgye $1 kyinhyia biara. Boɔ a wɔhwɛ kwan yɛ −$0.57 wɔ $21 so, ɛda so yɛ 2.70%.
Ɛyɛ saa, na wɔahyehyɛ akatua no sɛdeɛ ɛfata no. Bere dodoɔ no ara wodi nkonim $10. Ɛtɔ da a wohwere $20. Mfinimfini boɔ no ne kasino mfasoɔakontaabuKasino mfasoɔBɛt sika biara mu kyɛfa a kasino no kora wɔ mfinimfini mu: 2.70% wɔ Yuropu roulette mu.Kenkan ne nyinaa →.
Serew kakra

Di nkonim kyinhyia mmienu wɔ mmiɛnsa mu. Hwere mmɔho wɔ nea ɛtɔ so mmiɛnsa no so. Deɛ ɛfiri mu ba ne 2.70%.
Nsɛm fibea
- Ethier, S. N. The Doctrine of Chances: Probabilistic Aspects of Gambling.