Saizi yeSampuru
Kutenderera kungani kunodiwa pateni isati yareva chimwe chinhu.
Kuti muone negwinyiso rakakwana gomba rinobuda 1 mu30 pachinzvimbo che1 mu37 kunoda kutenderera kunosvika 4,400. Gomba re1 mu35, iro raizobhadhara chaizvo, rinoda kutenderera kunosvika 70,000.
Sei kwakawanda kudaro
Chiratidzo, kubuda kushoma kwekuwedzera pakutenderera chiuru chimwe nechimwe, chidiki kana chichienzaniswa neruzha rwebinomial rwe√(n·p·(1−p)) ≈ √(n/37). Ruzha runodzikira se1/√n, saka kuderedza kusava nechokwadi nehafu kunoda kutenderera kwakawanda kakapetwa kana. GombamidziyoGombaImwe yemakamuri 37 ane nhamba parotor. Mamwe mazita: slot, cup.Verengai zvese → re1/30 rinobuda ka33 pachiuru, apo ka27 ndiko kunotarisirwa: kubuda kutanhatu kwekuwedzera, ane standard deviationmasvomhuStandard deviationMudzi wesikweya wemusiyano; chinhambwe chakajairwa chemhedzisiro kubva pakukosha kunotarisirwa.Verengai zvese → inosvika shanu. Sampuru imwe yechiuru haigoni kuzvisiyanisa zvakavimbika.
Fomura
Pabvunzo yerutivi rumwe yegomba rimwe pamwero we5% nesimba re80%, n inodiwa inenge ((1.645·√(p₀(1−p₀)) + 0.84·√(p₁(1−p₁))) / (p₁ − p₀))², p₀ = 1/37 uye p₁ chiyero chinofungidzirwa. Izvi zvinoshanda kugomba rimwe rakasarudzwa pachine nguva. Kana muchitsvaga pamakomba ese 37 kuti muwane rinopisa kupfuura ese, wedzerai kaviri kusvika katatu kuti chiyero chezviratidzo zvenhema chirambe chakatendeka.
Maverengero anoshanda
Nhamba inopisanganoNhamba inopisaNhamba yabuda kakawanda kupfuura zvaitarisirwa munguva pfupi yapfuura. Pavhiri rakarurama haifanotauri chinhu.Verengai zvese → mushure mekutenderera 300 iruzha. Mushure me3,000 chikonzero chekuunganidza zvimwe 3,000 kubva pavhiri rimwe chete. Mushure me30,000 rinogona kuva vhiri rakakodzera kuyerwa chaiko. Kushandiswa kwese kwekutsauka kwakanyorwa munhoroondo kwakavakirwa pamakumi ezviuru ekutenderera kwakanyorwa, uye kwese kwakatora mwedzi.
Mutengo wedhata
Pakutenderera 50 paawa, kutenderera 10,000 maawa 200 ekunyora, kana masvondo akati wandei ekukopa nhoroondo dzakaburitswa, kubva pamusoro wevhirimidziyoMusoro wevhiriRimwe zita rerotor: chikamu chinotenderera chakatakura nhamba.Verengai zvese → mumwe chete unozivikanwa uyo kasino isina kutenderedza kana kuisa mafret matsva panguva iyoyo. Izvi, kwete nhamba dzeongororo, ndizvo zvakauraya kutamba nekutsauka: nguva yekugadzirisa vhiri ipfupi kupfuura nguva yekuunganidza dhata.
Saizi yesampuru yechikamu chekasino pachacho
Masvomhu mamwe chete anoratidza kuti zvinotora nguva yakareba sei kuti mutambi aone chikamu chekasinomasvomhuChikamu chekasinoChikamu chemari yega yega yakabhejwa chinochengetwa nekasino paavhareji: 2.70% muRoulette yeEurope.Verengai zvese → mumhedzisiro yake: kutenderera kunosvika 1,400 kwemabheti emubhadharo wakaenzana kwesigma imwe, 10,000 kuti chikamu chekasino chisakanganisike. Ani nani anoti sisitimu inoshanda pakutenderera kushoma kupfuura uku ari kutaura ruzha.
Fomula
Mibvunzo
Kuedza zvikamu zvevhirivhiriChikamu chevhiriRutivi rwemakomba akatevedzana pavhiri, rwakasiyana neboka riri patafura yekubhejera.Verengai zvese → pachinzvimbo chemakomba kunobatsira, nekuti chikanganiso chemuviri kazhinji chinobata arc yose uye chiratidzo chinowedzerana pamakomba. Hazvichinji huwandu hwese zvakanyanya.
Hongu, kana musoro wevhiri uri iwoyo uye usina kugadziriswa. Ndicho chinhu chakaoma kuziva.
Tsika. Zvinoreva kuti kutsauka kwechokwadi kwesaizi yataurwa kwaizoonekwa kana pashanu.
Kuseka zvishoma
Ruzha runodzikira se1/√n. Moyo murefu unodzikira nekukurumidza.
Zvinyorwa
- Feller, W. An Introduction to Probability Theory and Its Applications, Vol. 1.
- Barnhart, R. T. Beating the Wheel.