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Price: $15.00

- From: Mathematics, Applied Mathematics
- Posted on: Fri 22 Jan, 2016
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Request Description

The following project uses the game of Guess Your Card. This is a game in which
each player draws (without looking) three (3) cards. Each card has a number between 1 and 9 on it. The players then place their cards on their heads so that everyone but the players can see the cards.
The object of the game is to guess what cards you have. The first person to do this correctly wins.
During the play, each player, in turn, draws a question at random from a stack of questions. The player then answers the question based on the cards that he /she sees (not the player’s cards, which the player cannot see).
An Example
Andy has the cards 6, 6, and 7
Belle has the cards 3, 6, and 7
Carol has the cards 1, 1, and 9
Dan has the cards 3, 4, and 8
Andy draws the question card, “How many 7’s do you see?” He answers, “One,” because he cannot see the 7 on his own head; he sees only the 7 on Belle's head.
Next, Belle draws the question card, “Of the four even numbers, how many different even numbers do you see?” She answers, “Three,” because she sees the 4, 6, and 8 on Andy and Dan's head.
From this, Dan can conclude he has two even cards, since he can only see a 6 and Belle sees two (2) more.
Situation
You are playing Guess Your Card with three (3) other players. Here is what you see:
Andy has the cards 1, 5, and 7
Belle has the cards 5, 4, and 7
Carol has the cards 2, 4, and 6
Andy draws the question card, “Do you see two (2) or more players whose cards sum to the same value?” He answers, “Yes.”
Next Belle draws the question card, “Of the five (5) odd numbers, how many different
odd numbers do you see?” She answers, “All of them.”
Andy suddenly speaks up. "I know what I have," he says. "I have a 1, a 5, and a 7."
Write a one to three (1-3) page paper in which you:
(1) Summarize the salient facts of the problem.
(2) Explain your strategy for solving the problem.
(3) Present a step-by-step solution of the problem.
(4) Clearly state your answer.
Solution Description

(1) The problem concerns a game of guessing your cards (which you can’t see) on the basis of cards held by three other players (which you can see) and analyzing the information available in the answer to the questions that are drawn b |