Roughly 33.5%.
I used the formula 1−(391÷393)^80 = 0.335
My reasoning is that there are 393 villagers. You want either Raymond or Judy, so there are 391 villagers you don't want. The odds of failing are 391/393 per ticket, or 99.49%. The odds of failing 80 times in a row is (391/393)^80, which...
Of course! That'll be 55 nmt. I'll dm you a dodo code when your order is ready. The parasols will be available soon, so I'll message you later when they're for sale.