Figure 17-2

question 231

Multiple Choice

Figure 17-2.John and Michael are roommates.On a particular day,their apartment needs to be cleaned.Each person has to decide whether to take part in cleaning.At the end of the day,either the apartment will be completely clean (if one or both roommates take part in cleaning) ,or it will remain dirty (if neither roommate cleans) .With happiness measured on a scale of 1 (very unhappy) to 10 (very happy) ,the possible outcomes are as follows:
-Refer to Figure 17-2.In pursuing his own self-interest,Michael will

• A) refrain from cleaning whether or not John cleans.
• B) clean only if John cleans.
• C) clean only if John refrains from cleaning.
• D) clean whether or not John cleans.

---

Definitions:

Numerator

The top number in a fraction that indicates how many parts of the whole or group are being considered.

Denominator

The bottom number in a fraction, indicating into how many parts the whole is divided.

Unit Value

The worth assigned to a single unit of an item, used to calculate cost, quantity, or other statistical measures.

Fraction

A mathematical expression representing a part of a whole, displayed as a numerator over a denominator.