In reply to @peterrowlett
@peterrowlett extra credit question: what's the probability this question was written in the USA, where there are only 6 different coins (or 5 if you exclude the $1, which you rarely see)?
In reply to @peterrowlett
@peterrowlett extra credit question: what's the probability this question was written in the USA, where there are only 6 different coins (or 5 if you exclude the $1, which you rarely see)?