Insight · ★★★☆☆ · ~6 min
The Drunk Passenger
A drunk passenger sits randomly; 99 follow. Odds the last gets their seat?
by MindYourPuzzle
100 passengers, assigned seats 1–100. Passenger 1 is drunk, picks randomly. Each sober passenger takes their seat if free, else picks randomly from remaining.
P(passenger 100 sits in seat 100) = ?
probability
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