TABLE 12-5 A Corporation Randomly Selects 150 Salespeople and Finds That 66

question 39

Multiple Choice

TABLE 12-5
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 π₁ and π₂ 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 Table 12-5, what is the critical value when testing whether population proportions are different if α = 0.10?

• A) ± 1.645
• B) ± 1.96
• C) 3.842
• D) 2.706

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Definitions:

Desire to Excel

The strong motivation or ambition to surpass others or oneself in performance or achievement.

Acquired Needs Theory

A motivational theory that categorizes an individual's specific needs into three categories: achievement, affiliation, and power.

Need for Achievement

The motivation to excel, to achieve in relation to a set of standards, or to be successful in competitive situations.

Need for Power

A motivational drive to influence, control, or have authority over others.