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# Operation Management - Solver Model

Here is the scenario: You have four people sitting in jail. One has committed a terrible crime.

They have made the following statements:

Anita says: "Kitty did it."
Kitty says: "Robin did it."
Ed says: "I didn't do it."
Robin says: "Kitty lied."

Your favorite snitch tells you that only one person is telling the truth. Create a Solver model to figure out 'who's done it.' You cannot use if statements in your model.

Indicate 'who did it' either in the spreadsheet and also write some comments.

#### Solution Preview

Here is the scenario: You have four people sitting in jail. One has committed a terrible crime. They have made the following statements:

Anita says: "Kitty did it."
Kitty says: "Robin did it."
Ed says: "I didn't do it."
Robin says: "Kitty lied."

Your favorite snitch tells you that only one person is telling the truth. Create a Solver model to ...

#### Solution Summary

This solution creates a solver model for the situation and provides a summarized answer report, using xk as a binary variable such that k is the culprit. It lists all the decision variables and determines the objective function and constraints.

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