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 Memory Match Game (Posted on 2017-05-31)
10 cards with identical backs are face down on a table. Each card face matches exactly one of the other card faces. The cards are in a random sequence. A turn consists of choosing 2 cards, simultaneously reversing them so that they are face up, discarding them if they match, and turning them face down if they do not match. The game ends when all cards are discarded.

a) If you have perfect memory, and an efficient strategy, then what is the expected number of turns in the 10 card game?

b) What is the expected number of turns if instead there are 2n cards in the starting tableaux, with each card matching exactly one other?

 See The Solution Submitted by Steve Herman No Rating

 Subject Author Date Analytical Solution is posted Steve Herman 2017-06-03 07:52:03 re: Question Steve Herman 2017-06-02 11:01:13 re: Question Charlie 2017-06-02 04:57:16 Question hoodat 2017-06-01 19:46:32 re(3): computer discovery Charlie 2017-06-01 10:32:45 re(2): computer discovery Steve Herman 2017-06-01 09:17:00 re(2): computer discovery Charlie 2017-06-01 08:58:32 re: computer discovery Jer 2017-05-31 21:18:03 computer discovery Charlie 2017-05-31 16:20:20

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