Bvunzo yechi-square
Bvunzo yenhamba inoenzanisa kuwira kwakaonekwa pagomba rimwe nerimwe neiyo inotarisirwa n/37. Inoshandiswa kutonga kana vhiri richitsauka.
Mumashandisirwo
Sanganisai (zvakaonekwa − zvinotarisirwa)² / zvinotarisirwa pamakombamidziyoGombaImwe yemakamuri 37 ane nhamba parotor. Mamwe mazita: slot, cup.Verengai zvese → 37; enzanisai nekugovaniswa kwechi-square pamadhigirii erusunungukoongororoMadhigirii erusunungukoHuwandu hwemaitiro akazvimirira munhamba yeongororo. Pabvunzo yechi-square pamakomba 37 i36, nokuti nhamba dzinofanira kusanganiswa dzosvika pahuwandu hwese.Verengai zvese → 36.
Karl Pearson akaburitsa bvunzo iyi muna 1900, uye mumwe wemienzaniso yake yekutanga kutenderera 26,306 kweRoulette yeMonte Carlo kwakanyorwa, kwaakaona kusingaite sekwakaitika zvisina hurongwa. Ongororo yakazotevera yakaratidza kuti vatori venhau vakazvinyora vakagadzira kumwe kwacho.