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

question 171

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 estimated standard error of the difference between the two sample proportions?

• A) 0.629
• B) 0.500
• C) 0.055
• D) 0

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Definitions:

Sex Enhancers

Products or substances used to increase sexual desire, performance, or pleasure.

Consciousness-Expanding

Refers to substances or activities that increase awareness or perception of the mind.

Bad Trips

Disturbing, unpleasant experiences triggered by the use of psychedelic drugs, often characterized by intense negative emotions, paranoia, and a distorted sense of reality.

Lysergic Acid Diethylamide (LSD)

A potent hallucinogen known to alter perception, mood, and a variety of cognitive processes.