TABLE 10-11 A Corporation Randomly Selects 150 Salespeople and Finds That 66

question 120

Multiple Choice

TABLE 10-11
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 10-11, what is/are the critical value(s) when performing a Z test on whether population proportions are different if α = 0.05?

• A) ± 1.645
• B) ± 1.96
• C) -1.96
• D) ± 2.08

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Definitions:

Stigma

A mark of disgrace associated with a particular circumstance, quality, or person, often resulting in discrimination or social isolation.

Multigenerational Families

Households that include more than two generations living under the same roof, such as grandparents, parents, and grandchildren.

Over 60

refers to individuals or populations that are over the age of 60, often considered a milestone in aging.

Caregivers

Individuals who provide care for another person, typically a family member or someone unable to care for themselves due to illness, disability, or age.