2' (10 pts) Picking stickers. Envelope 1 contains 31 Stat 134 stickers and d1 Stat 140 stickers. Envelope 2 contains .32 Stat 134 stickers and 012 Stat 140 stickers. Your friend chooses one envelope uniformly at random and hands it to you. You pick one sticker out uniformly at random and it is a Stat 134 sticker. Without replacing the sticker you just picked, what is the chance that the next sticker you pick (also uniformly at random) from the same envelope is a Stat 140 sticker