Ɲininkali: duzɛn fila ni jetɔn kelen

Ɲininkali

I ye $10 bila duzɛnpariDuzɛn1–12, 13–24 walima 25–36, a sara ye 2:1 ye.A bɛɛ kalan → fɔlɔ kan, $10 duzɛn filanan kan ani $1 zeromunumunufɛnZeroDingɛ binkɛnɛman kelenpe min tɛ pari kelen-kelen, duzɛn pari walima kolɔn pari si kɔnɔ; kazino ka nafa bɛ bɔ a de la. A tɔgɔ wɛrɛ: zero kelen, 0.A bɛɛ kalan → kan. (a) Jaabi minw bɛ se ka kɛ ani u kɛli seko ye joli ye? (b) Hakɛ makɔnɔnenjatebɔHakɛ makɔnɔnenJaabi cɛmancɛ hakɛ pari kelen o kelen na waati jan kɔnɔ. Pari wari −1/37 Erɔpu pari cogo bɛɛ kan.A bɛɛ kalan → ye joli ye? (c) Yala zero jetɔnwariJetɔnTaamasiyɛn min bɛ wari hakɛ latigɛlen dɔ jira, a bɛ bila pari kɛyɔrɔ kan ka pari kɛ. A tɔgɔ wɛrɛ: check.A bɛɛ kalan → bɛ pari ɲɛ wa?

Ɲɛnabɔli (a) ni (b)

Jaabiw: balonminɛnBalonBalon fitinin min bɛ fili sira kɔnɔ ka taa rotɔri taa cogo kɔ. Balon kuraw ye ivorine walima Teflon ye, 18–21 mm.A bɛɛ kalan → 1–24 kɔnɔ (dingɛminɛnDingɛRotɔri kan so fitinin nimɔrɔmaw 37 la kelen. A tɔgɔ wɛrɛw: slot, cup.A bɛɛ kalan → 24): duzɛn kelen bɛ $20 sara, dɔ tɔ bɛ $10 tunun, zero bɛ $1 tunun: tɔnɔ +$9. Balon 25–36 kɔnɔ (dingɛ 12): duzɛn fila bɛɛ bɛ tunun, zero bɛ tunun: −$21. Balon zero kan (dingɛ 1): duzɛnw bɛ $20 tunun, zero bɛ $35 sara: +$15. EV = (24 × 9 + 1 × 15 − 12 × 21)/37 = (216 + 15 − 252)/37 = −21/37 ≈ −$0.57 munumunuli kelen na $21 bilalen kan: 2.70%.

Ɲɛnabɔli (c)

Zero jetɔn tɛ yen tuma min na: (24 × 10 − 13 × 20)/37 = (240 − 260)/37 = −20/37 ≈ −$0.54 $20 bilalen kan, o fana ye 2.70% ye. Zero jetɔn ye zero jaabi −$20 yɛlɛma ka kɛ +$15 ye ($35 ɲɛtaa siɲɛ kelen siɲɛ 37 la, o nafa ye $0.95 ye munumunuli kelen na) ani a ye $1 tunun munumunuli 36 tɔw la (o nafa ye $0.97 ye munumunuli kelen na). Yɛlɛmali laban: −$0.03 munumunuli kelen na, o ye dolari farali ka 2.70% ye. Lakanani sɔngɔ ye kelen ye ni fɛn tɔw bɛɛ ta ye.

Mun na o bɛ kɛ cogo bɛɛ la

Hakɛ makɔnɔnenw bɛ fara ɲɔgɔn kan. Pari minw bɛ kɛ ɲɔgɔn fɛ, u bɛɛ lajɛlen EV ye u kelen kelen EVw farali ye ɲɔgɔn kan, u kelen kelen bɛɛ ye a ka pari wari −1/37 ye. O la u farali o farali ye pari wari bɛɛ −1/37 ye. Jetɔnw labɛn cogo si tɛ pari kɛyɔrɔminɛnPari kɛyɔrɔPari sɛbɛn min bɛ tabali kan. A tɔgɔ wɛrɛw: tabali, tapi, fani.A bɛɛ kalan → kan, u hakɛ mana kɛ cogo o cogo, min bɛ bɔ o la; Pari dilannan bɛna o sinsin pari o pari la i bɛ se ka min kɛ. Farali bɛ min yɛlɛma, o ye tilali ye: i bɛ sɔrɔ siɲɛ joli, joli, ani ko juguba ka jugu cogo min na.

Ɲininkali tugulen min ka gɛlɛn

Pari gansanw farali dɔ ɲini min bɛ nimɔrɔ 37 bɛɛ datugu. Duzɛn saba ($10 kelen kelen) ani $1 zero kan: 1–36 nimɔrɔ o nimɔrɔ bɛ −$1 di (duzɛn kelen bɛ $20 sara, fila tɔw bɛ $20 tunun, zero bɛ $1 tunun), ani zero bɛ +$35 − $30 = +$5 di. EV = (36 × (−1) + 5)/37 = −31/37 $31 bilalen kan: 2.70%. I bɛ se k'a latigɛ ko i tɛna kabakoya abada, nka i bɛ o nɔgɔya sɔngɔ kelen sara hali bi.

Formili

Ɲininkaliw