SCENARIO 10-10
a Corporation Randomly Selects 150 Salespeople and Finds $\pi$

question 22

Multiple Choice

SCENARIO 10-10
A corporation randomly selects 150 salespeople and finds that 66% who have never taken a self- improvement course would like such a course.The firm did a similar study 10 years ago in which 60% of a random sample of 160 salespeople wanted a self-improvement course.The groups are assumed to be independent random samples.Let $\pi$ ₁ and $\pi$ ₂ represent the true proportion of workers who would like to attend a self-improvement course in the recent study and the past study,respectively.
-Referring to Scenario 10-10,what is the point estimate for the difference between the two population proportions?

• A)0.06
• B)0.10
• C)0.15
• D)0.22

---

Definitions:

Social Behavior

Actions and interactions among individuals in a society, influenced by social norms and cultural contexts.

Self-Determination Theory

The theory that people need to feel at least some degree of autonomy and internal motivation.

Error Management Theory

A theory suggesting that when making decisions under uncertainty, people are biased toward making the less costly error.

Action Identification Theory

A theory suggesting that how individuals identify and think about their actions affects how they perform and experience those actions.