Wrokosani · Teri-masyin

Teri-masyin fu yu kapitali fu prei

A roulette teri-masyin fu a kapitali fu prei e sori omeni wan budget e kostu ibri yuru nanga wan sortu wedi-moni nanga esi, en omeni langa a e tan furu tron.

Kapitali fu prei
Wedi-moni
Drai / yuru
wedi ini a kapitali
50
fruwakti lasi / yuru
−$13,51
gewoon swai / yuru (1σ)
±$70,71
yuru nanga a fruwakti esi
37 yuru
wedi / yuru
$500
fordeil
2,70%
Fa fu leisi a bakapisi

Nanga $10 ibri drai nanga 50 drai ibri yuru yu e wedi $500 ibri yuru, en yu e lasi $13,51 fu dati gemiddeld. A swai fu yuru go na yuru (±$70,71) bigi moro furu leki a fruwakti lasi; dati meki sesi e firi leki kans, ma yari no e firi so. “Yuru nanga a fruwakti esi” na wan gemiddelde; wan takru yuru kan teki wan pisi fu dri fu wan kapitali fu prei fu $500.

Fa wi e wroko nanga san wi e teki
Wedi fu wan tapu wan. Fruwakti lasi = wedi-moni × drai / 37. Swai = wedi-moni × √drai (σ ≈ 1 ibri eenheid gi wedi fu wan tapu wan).