1/3 yoloball
4/5 damaged
1/10 paralyze

2 throws at 1/3 chance gives you 1 - (2/3) * (2/3) = .55 chance
of catching

2 attacks gives you a 1 - (9/10) * (9/10) = .19 chance
of paralyze

Throwing at a damaged nidoran has .8 * .81 = .65 for a non-paralyzed
nidoran

Throwing at a damaged nidoran has .8 *.19 = .152 for a paralyzed
nidoran