Why You Have Probability in Many Worlds?

U sevens and i wrote a paper, couple papers, on probability in many worlds using self locating uncertainty. And we emphasized from the start that we weren't doing it because we thought that other people's explanations were wrong. In some sense, you couldn't possibly get the wrong answer. The only thing you're ever get out is the born rule. Is just the only thing that makes sense over consistently over time - so adding all the probabilities add to one,. et cetera, you're going to get theborn rule. But if there are outcomes for quanta mechanical measurements that you value differently, you'd be happy with playing a game that gives you a hundred % probability of giving