SCENARIO 12-1
a Corporation Randomly Selects 150 Salespeople and Finds $\pi$

question 5

Multiple Choice

SCENARIO 12-1
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 12-1, what is the critical value when testing whether the population proportions are different if $\alpha$ = 0.10?

• A)\(\pm\) 1.645
• B)\(\pm\) 1.96
• C)3.842
• D)2.706

---

Definitions:

Indifference Curve Analysis

A graphical representation of consumer preferences showing combinations of goods or services among which they are indifferent, demonstrating varying levels of utility.

Indifference Curves

Graphical representations of different bundles of goods between which a consumer is indifferent, portraying preferences.

Indifference Curve

A graphical representation showing different bundles of goods between which a consumer is indifferent, reflecting their preferences and utility.

Total Utility

The overall satisfaction or benefit a consumer receives from consuming a particular quantity of a good or service.