Akontaabu · Adwene titiriw · simma 7

Roulette boɔ a wɔhwɛ kwan

Roulette boɔ a wɔhwɛ kwan yɛ deɛ ɛfiri bɛt bi mu ba wɔ mfinimfini mu sɛ wobɛtumi ayɛ no daa daa a. Wɔ Yuropu roulette mu no, ɛyɛ pɛ ma bɛt biara a ɛtaa ba: wohwere bɛt sika biara 1/37 wɔ mfinimfini mu, kyinhyia biara mu.

Wɔ kasa a ɛyɛ mmerɛw mu

Fa no sɛ wode bɛt $10 koro no ara to kɔkɔɔ so mprɛ ɔpepem. Kyinhyia bi di nkonim $10, ebi hwere $10. Fa deɛ ɛbaa biara bom na fa ɔpepem kyekyɛ mu: wobɛnya bɛyɛ −$0.27. Saa nɔma no ne roulette bɛt boɔ a wɔhwɛ kwan. Ɛnyɛ deɛ ɛba wɔ kyinhyia baako biara mu; ɛyɛ mfinimfini boɔ wɔ kyinhyia biara so wɔ bere tenten mu.

Mmuaeɛ tiawaEV = hokwan a wobɛdi nkonim × sika a wonya − hokwan a wobɛhwere × sika a wohwere. Wɔ roulette bɛt biara a ɛtaa ba mu no, ɛba sɛ bɛt sika no −2.70%.

Akontaabu kwan a wɔde hwehwɛ roulette bɛt EV

EV = p · W − (1 − p) · S
p = n/37 · W = S·(36/n − 1) · n = nɔma a ɛkata so · S = bɛt sika

Fa roulette akatua mmara no, 36/n − 1, hyɛ mu, na n yi ne ho firi mu. Ɛno ne kasino mfasoɔ asɛm no nyinaa wɔ nsensanee baako mu:

EV = (n/37)·S·(36/n − 1) − ((37−n)/37)·S
= S·(36 − n − 37 + n)/37
= −S/37

Sɔ hwɛ: roulette boɔ a wɔhwɛ kwan nkontaabu afidie

Yi nɔma dodoɔ a bɛt no kata so. Hokwan ne akatua sesa; boɔ a wɔhwɛ kwan no nsesa.

nɔma 1 a ɛkata so · akatua 35:1bɛt sika $10

ahwereɛ 97.3%

p(nkonim)1/37 = 2.70%

nkonim akatua+$350

ahwereɛ ka−$10

EV = p·W − (1−p)·S0.0270·$350 − 0.9730·$10

boɔ a wɔhwɛ kwan−$0.27 wɔ kyinhyia biara mu · −2.70%

Sɛdeɛ ɛte bere a ɛrekɔ so

Mfinimfini deɛ ɛfiri mu ba wɔ kyinhyia biara mu ma kɔkɔɔ bɛt $10, bere a kyinhyia rebɔ dodoɔ. Mfitiaseɛ no, akwadworɔ na ɛdi so; mfinimfini boɔ a ɛrekɔ so no kɔ tena −$0.27 ho bere a nhwɛsoɔ no renyini. Yei ne ahyiaeɛ wɔ bere tenten mu a kasino no de ne ho to so.

Kyinhyia biara akyi, mfinimfini boɔ a ɛrekɔ so no gyae kyinhyia na ɛtena hwee ase kakra.

Adwene mfomsoɔ a ɛtaa ba

“EV a ɛyɛ ahwereɛ kyerɛ sɛ mɛhwere agorɔ bere biara.”

Daabi. Ɛkyerɛ sɛ agorɔ bere pii mfinimfini yɛ ahwereɛ. Agorɔ bere biara ankasa sesa kɛseɛ, na ɛsesa kɛseɛ sene saa ma bɛt a nsakraeɛ wom kɛseɛ te sɛ nɔma baako bɛt.

“Kasino no hia bere tenten ansa na ayɛ nkonim.”

Kasino mfasoɔ no ka kyinhyia biara; deɛ bere tenten no yɛ ne sɛ ɛma wotumi hunu deɛ ɛbɛba ansa. Wɔ agorɔ bere baako mu no, akwadworɔ na ne tumi so.

“Bɛt bi wɔ EV a ɛyɛ sene afoforɔ.”

Ɛnte saa wɔ Yuropu roulette mu, gye baako: wɔ la partage anaa en prison ase no, sika pɛ bɛt kasino mfasoɔ yɛ deɛ ɛtaa ba no fa.

Serew kakra

$Ɛnyɛ deɛ ɛba wɔ kyinhyia baako mu. Ne nyinaa mfinimfini boɔ.$

Ɛnyɛ deɛ ɛba wɔ kyinhyia baako mu. Ne nyinaa mfinimfini boɔ.