Misali: yin caca a kan sashen dabaran

Shirin

A faɗa “goma sha bakwai da maƙwabtansacacaMaƙwabta (neighbors)Lamba da ramuka biyu a kowane gefensa a kan dabaran, tsabobin caca biyar na straight up.Karanta gaba ɗaya →” ko a taɓa 17 a kan racetrackteburRacetrackZirin mai siffar ƙwai a kan teburan caca na kai tsaye da na lantarki da ke nuna lambobi bisa jerinsu a kan dabaran, ana amfani da shi don ajiye cacar maƙwabta da ta sashe da taɓawa ɗaya.Karanta gaba ɗaya →: $2 kowanne a kan 2, 25, 17, 34 da 6, ramukakayan aikiRamiƊaya daga cikin ɗakuna 37 masu lamba a kan rotor. Ana kuma kiransa: slot, cup.Karanta gaba ɗaya → biyar da ke jere kewaye da 17 a kan dabaran. $10 a kowane juyi. Idan ɗaya ya fito ana biyan 35 × $2 = $70 a kan tsabar cacakuɗiTsabar cacaAlamar da ke wakiltar ƙayyadadden adadin kuɗi, wadda ake ajiyewa a kan teburin caca don yin caca. Ana kuma kiranta: check.Karanta gaba ɗaya → ɗaya, sauran huɗu kuma su tafi: +$62. Idan babu wanda ya fito ana rasa $10. YiwuwarlissafiYiwuwaDamar faruwar wani sakamako, daga 0 zuwa 1 ko daga 0% zuwa 100%. Lamba ɗaya: 1/37 = 2.70%.Karanta gaba ɗaya → fitowa 5/37 = 13.51%: kusan juyi ɗaya cikin 7.4. Sakamakon da ake tsammani a juye-juye 50: −$13.51.

Teburin roulette

Juye-juye 1–15

Bai fito ba, bai fito ba, bai fito ba, bai fito ba, bai fito ba, bai fito ba, bai fito ba, bai fito ba, bai fito ba, bai fito ba, bai fito ba, bai fito ba, ya fito (34), bai fito ba, bai fito ba. Fitowa ɗaya cikin goma sha biyar; asarar $120 a juyi na 12, sannan +$62 a juyi na 13, asarar $78 bayan goma sha biyar. Yiwuwar rashin fitowa sau goma sha biyu a jere daga farko ita ce (32/37)¹² ≈ 17%. Wannan shi ne yanayin da aka saba ga mai caca a kan sashen dabarandabaranSasheRamuka da ke bin juna a jere a kan dabaran kamar baka, sabanin ƙungiyar lambobi a kan teburin caca.Karanta gaba ɗaya →.

Juye-juye 16–50

Fitowa uku a ɓangare na biyu, biyu a na uku, ɗaya a biyar na ƙarshe. Fitowa bakwai a juye-juye hamsin, yayin da ake tsammanin 6.76: yawan fitowa daidai da matsakaici, da sakamakon +$4 wanda ya dogara gaba ɗaya kan yadda fitowar suka zo a tsari mai dacewa. Da fitowar ƙarshe ta zo juyi ɗaya daga baya, da mun tafi da −$68. Da 17 ya ƙara fitowa sau ɗaya, +$76. Bambancin sakamakolissafiBambancin sakamakoMa'aunin yadda sakamako ke yaɗuwa a kewayen ƙimar da ake tsammani. Yana da girma ga straight up, ƙanƙanta ga cace-cacen ɗaya zuwa ɗaya.Karanta gaba ɗaya → a kan caca ta 13.5% a juye-juye 50 yana da girma idan aka kwatanta da asarar da ake tsammanilissafiAsarar da ake tsammaniƘimar da ake tsammani sau jimillar kuɗin da aka yi caca da su; matsakaicin adadin da ake rasawa a cikin zaman wasa ko wani lokaci.Karanta gaba ɗaya → ta $13.51: standard deviationlissafiStandard deviationTushen murabba'i na bambancin sakamako; nisan da sakamako ke yawan yi daga ƙimar da ake tsammani.Karanta gaba ɗaya → na sakamakon kusan $175 ne.

Me ya sa sashen dabaran

Domin baka ne na zahiri a kan dabaran, wanda yake da muhimmanci ne kawai idan dabaran ya karkata zuwa wannan baka, kuma ba mu da wata hujja ta hakan. Ba tare da karkata ba, cacar sashen dabaran straight upcacaStraight upLamba ɗaya tak, biya 35:1.Karanta gaba ɗaya → biyar ne da ba su da alaƙa: fifikon gidan caca iri ɗaya, biyakuɗiBiyaAbin da cacar da ta ci ke dawowa da shi, ana faɗinsa a matsayin “X zuwa 1” a kan kuɗin cacar da aka mayar.Karanta gaba ɗaya → iri ɗaya, damarmaki iri ɗaya da 2, 25, 17, 34 da 6 da aka zaɓa domin ranakun haihuwar wani ne. Racetrack yana sa a sanya cacar da sauri kuma yana ba wa maraicen labari. Lissafi ba ya karanta labari.

Matsala: dabaran ranar haihuwa

Abin da ɗan wasan da ke neman karkatar dabaran zai yi daban

Da farko zai rubuta dubban juye-juye daga wannan takamaiman dabaran, ya sami sashen da yake fitowa fiye da 5/37 a samfurori biyu masu zaman kansu, sannan ya yi caca a kansa da kuɗin caca da aka daidaita da fifikon da aka auna. Fitowa bakwai ɗinmu a juye-juye hamsin ba hujja ce ta komai ba; shafin Girman samfuri na Ɗakin gwajin roulette ya ce muna buƙatar ninki ɗari na juye-juye kafin mu iya cewa ko wannan baka yana da zafi. Mun yi caca a kansa ne domin 17 lamba ce mai kyau, kuma wannan dalili ɗaya ne kowa yake da shi.

Tambayoyi