<t>QuoteYou have two envelopes, with B(big) and S(small) amounts and p=0.5 to pick either. If you picked B, the value of exchange is deterministic, it's (S-B), if you picked S, value of exchange (B-S). Total value of exchange v = 0.5(S-B) + 0.5(B-S)=0So, it doesn't make sense to switch.Of all the an...