⅔think in odds.
THE COMPLETE ARCHIVE9 puzzles · no spoilers

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3 puzzles · Expected value

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No. 009

How long until a six?

Roll a fair die until the first six.

Expected valueEasy
No. 005

Heads, then tails

Flip a fair coin until heads–tails appears in consecutive flips.

Expected valueEasy
No. 004

The higher of two dice

Roll two fair six-sided dice. Your score is the larger number.

Expected valueEasy