Ma'ana
Yiwuwa reshe ne na lissafi da ke auna yadda wani abu ke iya faruwa. Ana bayyana shi a matsayin lamba tsakanin 0 (ba zai yiwu ba) da 1 (tabbatacce). Yiwuwa na 0.5 yana nufin wani abu yana da damar daidai na faruwa ko rashin faruwa.
Yadda Ake Lissafta Yiwuwa Na Asali
Don yanayin da ke da sakamako daidai na yiwuwa, yiwuwa shine kawai sakamako masu kyau da aka raba da jimlar sakamako masu yiwuwa.
Jaka tana dauke da kwalabe 3 ja, 2 shuɗi, da 5 kore (jimla 10).
Yiwuwar ciro kwalbar ja: 3/10 = 0.30 (30%)
Yiwuwar ciro kwalbar shuɗi: 2/10 = 0.20 (20%)
Yiwuwar rashin ciro kore: 5/10 = 0.50 (50%)
Me Ya Sa Yake Da Muhimmanci
Yiwuwa ita ce ginshikin lissafi na kididdiga. Kowane gwajin hasashe, tazarar amincewa, da samfurin hasashe suna dogara ga ka'idar yiwuwa. Idan hasashen yanayi ya ce "yiwuwar ruwan sama 70%," wannan shine yiwuwa a aikace.
Fahimtar yiwuwa yana taimaka maka yanke shawara mafi kyau a karkashin rashin tabbas, kimanta hadari, da guji kuskure da ake saba yi kamar kuskuren mai caca (imani cewa abubuwan da suka faru da dama a baya suna shafar na gaba). Yana da muhimmanci a fannonin daga inshorar da kudi zuwa likitanci da fasahar wucin gadi.
Yiwuwa tana tantance rashin tabbas. Ita ce ginshikin da ke sa dukkan kididdiga ta yi aiki, daga jefa tsabar kudi zuwa samfuran hasashe masu rikitarwa.