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

question 72

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 value of the test statistic to use in evaluating the alternative hypothesis that there is a difference in the two population proportions using $\alpha$ =0.10?

• A)4.335
• B)2.706
• C)1.194
• D)0.274

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Definitions:

Order Fulfillment Department

A functional area within a business that manages the process of receiving, processing, and delivering orders to customers.

Tech Support Department

A division within a company that assists customers with technical problems or issues related to their products or services.

Customer Cost Analysis

A financial assessment to determine the cost associated with acquiring, serving, and retaining a customer, helping businesses understand the value of customer relationships.

Time-Driven Activity-Based Costing

A costing method that assigns costs to products based on the estimated time required for activities, improving accuracy over traditional ABC by using time as a key cost driver.