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Found problems: 1

2014 JHMMC 7 Contest, 21
Tags: kelvin the frog , alex the kat , great character of jhmmc , probability
Kelvin the Frog and Alex the Kat play a game. Kelvin the Frog goes first, and they alternate rolling a standard $6\text{-sided die.} If they roll an even number or a number that was previously rolled, they win. What is the probability that Alex wins?