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TABLE 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 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 10-10, construct a 90% confidence interval estimate of the difference in proportion of workers who would like to attend a self-improvement course in the recent study and the past study.
Technical Skills
Specific abilities or knowledge related to particular tasks, technologies, or fields of work.
Equity Theory
A theory in social psychology that explains how individuals perceive fairness in the distribution of resources within interpersonal relationships.
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Largest Account
Refers to the customer or client that generates the highest revenue for a company, often receiving special attention or terms due to their importance.
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