Consider a normal $6$-sided die, how many rolls do I need to do to get all the possible rolls from $1$ to $6$? In general, what's the expected number of rolls of an $N$-sided die to get all the possible rolls from $1$ to $N$?
2026-02-23 20:57:53.1771880273
Expected number of dice rolls of a $N$-sided die to get all the possible rolls
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