Twifashishije Gucha reka twerekane Ingombajwi Zose!
Inyuguti zose ni 26 kuva kuri A kugera kuri Z. Twifashishije "RND" tugiye gukina Gucha!
Reka twerekane byose.
Gucha yikoresha kugeza irangiye!
Ese wabigura angahe?
Reka noneho "A" ireke kuba hose.
Reka dukore porobabiliti ibe "B" 9/10 niba "A" ariyo igaragaye.
Gerageza gukora ibi:
1. Noneho gerageza inshuro eshatu, hanyuma ugereranye
2. Noneho tuma A yagaragaraga hose ibe "F"
3. Kora ku buryo "Z" itagaragara
4. Noneho reka "Z" igaragare kuri porobability ya 1/2
5. Reka ntihagire isa n'indi