Re: Are Winrates Normally Distributed?
If the distribution is not normal but not much different from the normal distribution, then in practical terms I don't think it would make much difference. Even if it were not strictly accurate, it would be good enough and probably not worth doing all the extra work to get an accurate confidence interval.
I am still not convinced that win rates are not normally distributed around the mean.
If you want to base you confidence interval on the actual distribution, you might look into bootstrapping.
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