Jessica Stayed Up All Night to Study for a Math

question 85

Multiple Choice

Jessica stayed up all night to study for a math exam.After the test,she returned to her dorm room and slept for seven hours to compensate for her lack of sleep.In the context of drive reduction theory,Jessica's sleeping behavior was regulated by her body's tendency to maintain

• A)self-preservation.
• B)self-regulation.
• C)homeostasis.
• D)hypostasis.

---

Definitions:

Risk-Free Asset

An investment with a guaranteed return and no risk of loss, often exemplified by government bonds of stable countries.

Risky Asset

An investment that holds some risk of losing value, as opposed to a guaranteed or risk-free asset, offering potentially higher rewards in exchange for higher risk.

Expected Return

The weighted average of the probable returns of an investment, where the weights correspond to the probability of each outcome.

Standard Deviation

A metric that quantifies the spread of a dataset around its mean, determined by taking the square root of the variance.