Peti Tau Kotahi i te Rūreti
Ka whakatakoto te peti tau kotahi i te rūreti i tētahi maramara ki tētahi tau kotahi. Ko te toa onge rawa o te tēpu me te utunga nui rawa, me te painga o te whare 2.70% ōrite ki ērā atu katoa.
Te utunga me te tūponotanga o te tau kotahi i te rūreti
Kotahi te kōhao o ngā kōhao 37 ka toa: 1/37, arā, 2.70%. Ka utu te whare petipeti i te 35:1. Ko te utunga tōkeke mō ngā kōhao 37 he 36:1; ko te wae kotahi e ngaro ana te painga o te whare.
EV mō ia $1 = (1/37)(35) − (36/37)(1) = −1/37 = −$0.0270
Tauira moni peti
Tītaringa
He ōrite te ngaronga tūmanako ki tō te whero, engari kāore te horanga o ngā putanga. Mō ia tāra kua petihia, he hipanga paerewa tata ki te 5.84 tō te peti tau kotahi, ki te 1.00 mō te peti utu ōrite. I ngā hurihanga 100 i te $10, kei roto te kaitākaro whero i te ±$100 o te tūmanako i te nuinga o te wā; ko te kaitākaro tau kotahi, kei roto i te ±$584.
Ngā āhuatanga
- Ko te hua tau waenga o te wā tākaro he ngaronga pūmau; ka kumea whakarunga te toharite e ngā toa 35:1 onge.
- Ko te tatari tūmanako mō tētahi toa he hurihanga 37, ā, he roa ake ngā tatari i tā te nuinga e whakaaro ana: i muri i ngā hurihanga 37, he tūpono 36% tonu kāore he toa.
- Ko ngā tepe iti o te tēpu mō ngā peti o roto, he iti iho i te nuinga o te wā mō ia maramara, engari he maha ngā wā ka pā he tapeke iti rawa puta noa i ngā peti o roto.
- Ka kīia te peti tau kotahi i te rūreti ko te plein i ngā whare petipeti momo Wīwī.
He katakata iti
He ōrite te ngaronga tūmanako ki tō te whero, engari he whānui kē atu te horanga.