During the Past Six Months, 73

question 122

Multiple Choice

During the past six months, 73.2 percent of U.S. households purchased sugar. Assume that these expenditures are approximately normally distributed with a mean of $8.22 and a standard deviation of $1.10. Ninety-nine percent of the households spent less than what amount?

• A) $5.66
• B) $10.78
• C) $6.81
• D) $9.63

---

Definitions:

Internal Locus

A psychological term referring to individuals who believe they have control over the outcomes of their actions and life events.

Adaptation-Level Phenomenon

The psychological process by which individuals adjust their expectations and standards based on previous experiences, influencing their perception of new stimuli.

Type B Personality

A disposition typified by its placid, lenient, and relaxed manner.

External Locus

A belief system where individuals perceive their outcomes in life as being controlled by external forces or chance.