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

question 7

Multiple Choice

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, what is the point estimate for the difference between the two population proportions?

• A) 0.06
• B) 0.10
• C) 0.15
• D) 0.22

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Definitions:

Wernicke's Aphasia

A condition resulting from damage to the Wernicke's area of the brain, characterized by difficulty in understanding language and producing meaningful sentences.

Broca's Aphasia

A condition characterized by difficulties in speech production, often resulting from damage to the frontal lobe of the brain.

Expressive Aphasia

A language disorder caused by damage to the brain that affects a person's ability to produce coherent speech and language.

Prosopagnosia

A specific inability to recognize faces, even very familiar ones, with intact recognition of other objects.