Te Rautaki Rūreti 5 Tāra

Te ture i whakaahuatia

Tukuna he $5 ki ia rārangi ono e rima kāore e inaki ana, ka kapi ngā kōhaotaputapuKōhaoTētahi o ngā wehenga e 37 kua tauia i te rōta. Arā anō: slot, cup.Pānuitia katoatia → Ūropi e 30. E $25 te utu o ngā peti e rima i te wā kotahi i ia hurihanga, nō reira ko te tikanga anake o te “$5 i ia hurihanga” ko te $5 mō ia wāhanga. Ki te whakareatia ia rārangi ki te tekau i muri i te hinga kotahi, ka $50 ia rārangi; me whai ture motuhake kua kīia mō tētahi taumata ā muri ake.

Te taumata taketake tika me te pikinga i marohitia

Mā ngā utungamoniUtungaTe moni ka whakahokia e te peti toa, ka kīia ko “X ki te 1”, hei tāpiri ki te moni peti ka whakahokia.Pānuitia katoatia → paerewa o te rārangi ono e māmā ai te tātai e whai ake nei.

Tauira mahi

I te taumata taketake, ka pā tētahi o ngā rārangi ono e rima, ā, ka whakahokia te $30 tae atu ki tōna moni peti $5. Tangohia te $25 katoa o te mahere petitaputapuMahere petiTe tukutuku peti kua tāia ki te tēpu. Arā anō: tēpu, kākahu tēpu, felt.Pānuitia katoatia →, ka puta te +$5; nā ngā rārangi hinga e whā te $20. Ki te puta he tau kāore i kapi, ka ngaro te $25 katoa. Ki te whai te kaitākaro i te pikinga ā-tekau-whakarea kotahi kua kīia, e $50 ia moni peti o ngā mea e rima e whai ake nei, kaua he tapeke $300; kātahi ka whakahokia e tētahi rārangi te $300 (tae atu ki te moni peti) ki te taha o te $250 i petihia, hua mā +$50.

Te utu me te tūraru

Ko te tūpono o te hua tōrunga i te taumata taketake ko 30/37 = 81.081%, ā, ka whakatauritea e ngā ngaronga $25 e whitu. Ko tōna uara tūmanakopāngarauUara tūmanakoTe hua toharite mō ia peti i te wā roa. −1/37 o te moni peti mō ia peti Ūropi paerewa.Pānuitia katoatia → ko (30 × 5 − 7 × 25) / 37 = −25/37. Mā te urupare ā-tekau-whakarea ka tūraru te $250 i muri i te hinga kotahi anake. He putanga motuhake ā-tekau-mā-rua-whakarea, ka $60 ki ia rārangi, $300 te tapeke, ā, ka hua mā +$60 ki te kapi te hua. Kāore tētahi o ēnei putanga e whakarerekē i te painga Ūropi 2.70%.

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