Isichazi-magama · izibalo
Ingxaki yomhla wokuzalwa
Bangaphi abantu abafunekayo phambi kokuba ababini mhlawumbi babe nomhla wokuzalwa omnye, okanye mingaphi imijikelo phambi kokuba inani mhlawumbi liphinde liphume. Kwivili elinezikhewu ezingama-37, imijikelo esi-8 yanele ukunika ithuba elingaphezulu kwesiqingatha.
Kumxholo
Yiyo loo nto iibhodi zeziphumo zigcwele ukuphindaphinda: inani lezibini zemijikelo likhula ngokukhawuleza kakhulu kunenani lemijikelo, kwaye nasiphi na isibini sinokufana.
Ubusazi na
Ngemihla yokuzalwa engama-365 impendulo ngabantu abangama-23. Ingxaki ihlala inikwa ingcali yezibalo uRichard von Mises, ngo-1939.