Lissafin Yiwuwar Gacha
Lissafta yiwuwar samun abu da adadin jawowa da ake bukata don kammala dukkan nau'o'i daga adadin kashi da yawan jawowa
Fasaloli
Nuna yiwuwar samu nan take
Nuna yiwuwar samun aƙalla sau ɗaya tare da shigar da adadin kashi da yawan jawowa
Jerin adadin jawowa don kai ga manufa
Nuna adadin jawowar da ake bukata don samu da yiwuwar 50%, 90%, da 99%
Adadin jawowa da aka yi hasashe don kammala dukkan nau'o'i
Lissafta matsakaicin adadin jawowa da ake bukata don samun dukkan nau'o'i daga adadin kashi na nau'o'i 2 zuwa 20
Lissafin kudi daga farashi
Nuna kudin da ake bukata bisa adadin jawowar da aka yi hasashe da na da ake bukata, daga farashin kowace jawowa
Yadda ake amfani
Zaɓi abin da za a lissafta
A zaɓi tsakanin "Abin da ake so" ko "Kammala Dukkan Nau'o'i" a shafin da ke sama
Shigar da adadin kashi da yawan jawowa
Don abin da ake so, shigar da adadin kashi da yawan jawowar gacha; don kammala dukkan nau'o'i, shigar da adadin kashi na kowane abu (danna "Ƙara Abu" don ƙarin layi)
Shigar da farashin kowace jawowa
Idan kana son sanin kudin da ake bukata, shigar da farashin kowace jawowa kawai
Duba sakamakon
Duba yiwuwar, adadin jawowar da aka yi hasashe, adadin jawowar da ake bukata, da kudin da ake bukata, waɗanda ake nunawa nan take bayan shigarwa
Hanyoyin Amfani
Hasashen samun abin pickup
Duba yiwuwar samun halin da ake so daga adadin jawowar da za a iya yi da duwatsu ko takardun da ake da su ko aka samu kyauta
Tsarin kuɗi kafin biyan kuɗi
Duba adadin jawowa da kudin da ake bukata don kai ga yiwuwar 90% ko 99%, don tantance iyakar kuɗin da za a biya
Tsarin kammala kyaututtukan taron
Yi hasashen adadin jawowar da ake bukata don kammala dukkan kyaututtuka daga adadin kashi na kowace kyauta, don tantance yawan zagaye
Kwatance tsakanin gacha daban-daban
Kwatanta yiwuwar samu da kudin da ake bukata tsakanin gacha daban-daban masu adadin kashi da farashi daban-daban, don tantance wanda za a zaɓa
Ilimin Asali
Me ya sa jawo sau 100 da yiwuwar 1% ba zai tabbatar da samu ba
Idan ka jawo gacha mai adadin kashi 1% sau 100, yiwuwar samun aƙalla sau ɗaya kusan 63.4% ne, ba 100% ba. Dalilin shi ne kowace jawowa mai zaman kanta ce, kuma akwai yiwuwar ci gaba da rashin samu har sau 100 (0.99 wanda aka ɗauka zuwa iko na 100, kusan 36.6%).
- Dabarar yiwuwar samu aƙalla sau ɗaya：Ana samun yiwuwar samu aƙalla sau ɗaya ta hanyar "1 − (1 − adadin kashi) wanda aka ɗauka zuwa iko na adadin jawowa". Idan adadin kashi 1% ne, sau 230 zai kai kusan 90%, kuma sau 459 zai kai kusan 99%.
Mene ne adadin jawowa da aka yi hasashe (expected value)
Adadin jawowa da aka yi hasashe shine matsakaicin adadin jawowar da ake bukata don samun abin da ake so idan aka maimaita gacha iri ɗaya sau da yawa. Ana lissafta shi ta hanyar "100 ÷ adadin kashi (%)". Idan adadin kashi 1% ne, zai zama sau 100, kuma idan 3% ne, kusan sau 33.3.
- Adadin jawowa da aka yi hasashe ba tabbacin samu ba ne：Ko da ka jawo gacha mai adadin kashi 10% sau 10 (adadin da aka yi hasashe), yiwuwar samu aƙalla sau ɗaya kusan 65.1% ne kawai.
Dalilin da ya sa adadin jawowar da ake bukata don kammala ke ƙaruwa
Adadin jawowar da ake bukata don samun dukkan nau'o'i galibi ya fi yawan nau'o'in sau da yawa. Yayin da abubuwan da kake da su suka ƙaru, yana ƙaruwa wahalar samun sabon abu, kuma nau'i na ƙarshe yana ɗaukar lokaci mai yawa. Ana kiran wannan matsalar da "coupon collector problem".
- Idan akwai nau'i 10 masu yiwuwa daidai：A gacha mai nau'i 10 wanda kowanne yake da adadin kashi 10%, adadin jawowa da aka yi hasashe don samun dukkansu kusan sau 29.3 ne, wato kusan sau 2.9 na yawan nau'o'in.
- Idan akwai bambanci a adadin kashi：Idan akwai bambanci a adadin kashi, abin da ya fi wuyar samu zai kara adadin jawowar. A nau'i uku masu adadin kashi 1%, 2%, da 3%, adadin jawowa da aka yi hasashe zai kai kusan sau 121.7.
Tsaro da Sirri
Ana gamawa a cikin burauza
Ana sarrafa bayanan da aka shigar a cikin burauzar ku kawai, ba a aika su zuwa waje ba.
Ana'amshi a cikin Burauzar kawai
Lissafin yiwuwar gacha da adadin jawowa da aka yi hasashe ana yin su ne gaba ɗaya a cikin burauzarku, kuma babu bayanan shigarwa da ake aika zuwa sabar.
Sadarwa tana ɓoye ta HTTPS
Ana ɓoye loda shafin ma ta TLS, don haka babu wata ɓangare ta uku da za ta iya karanta abubuwan da ke ciki.
Babu aikawa zuwa ɓangare ta uku
Ba a aika abubuwan shigarwa zuwa sabis na waje kamar hanyoyin talla ko masu bin sawu ba.
Babu adana sakamakon ta atomatik
Ba a adana Adadin kashi, adadin jawowa, da farashin da aka shigar ko shawarwarin shigarwa a sabar ba.
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Bayanan sabuntawa
- update #317
An kara Lissafin Yiwuwar Gacha, yana nuna yiwuwar samun nasara da yawan sau da ake tsammanin kammala tarin daga yiwuwar samu da adadin gwaji