Tul dɛn · Kalkuleta

Rulɛt pe kalkuleta

Rulɛt pe kalkuleta: wetin kam bak, nɛt prɔfit ɛn lɔs we fɔ ɛkspɛkt fɔ wan bɛt mɔni pan ɛni bɛt.

Bɛt

Bɛt mɔni

bɛt mɔni

$10

if i win

+$350 · $360 kam bak

if i lɔs

−$10

prɔbabiliti fɔ win

2.70%

valyu we fɔ ɛkspɛkt / spin

−$0.27

lɔs we fɔ ɛkspɛkt / 100 spin

−$27.03

Aw fɔ rid di rizɔlt

If yu put $10 pan wan nɔmba, yu go gɛt $360 bak we i nak ($350 prɔfit plus di bɛt mɔni), ɛn yu go lɔs $10 if i nɔ nak. Pan avrej ova bɔku spin, dat na lɔs fɔ $0.27 pan ɛni spin, we na 2.70% pan di bɛt mɔni.

Aw wi wok ɛn wetin wi tek se na tru

Pe = bɛt mɔni × (36/n − 1). Valyu we fɔ ɛkspɛkt = p·W − (1−p)·bɛt mɔni = −bɛt mɔni/37. Nɔ la partage.