A Marketing Company Reviewing the Length of Television Commercials Monitored

question 683

Multiple Choice

A marketing company reviewing the length of television commercials monitored a random sample
Of commercials over several days. They found that a 95% confidence interval for the mean length
(in seconds) of commercials aired daily was (23, 27) . Which is true?

• A) Commercials average between 23 and 27 seconds long on 95% of the days.
• B) 95% of all the commercials aired were between 23 and 27 seconds a day.
• C) 95% of all samples would show mean commercial length between 23 and 27 seconds.
• D) We're 95% sure that the mean commercial length is between 23 and 27 seconds.
• E) 95% of the commercials they checked were between 23 and 27 seconds long.

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Definitions:

Japanese Labor Relations

Characterized by strong cooperation between management and labor, lifetime employment practices, and enterprise unionism.

Employee Representation

The practice of having employees involved in making decisions about workplace conditions, policies, and other matters affecting their work.

Codetermination

A practice where workers have a role in the management of companies, typically through representation on corporate boards.

Sit-down Strike

is a form of protest where workers physically occupy their workplace but refuse to work, aiming to halt production to leverage demands without abandoning their positions to replacements.