Suppose a Large Labor Union Wishes to Estimate the Mean

question 56

Multiple Choice

Suppose a large labor union wishes to estimate the mean number of hours per month a union member is absent from work. The union decides to sample 343 of its members at random and monitor the working time of each of them for 1 month. At the end of the month, the total number of hours absent from work is recorded for each employee. Which of the following should be used to estimate the parameter of interest for this problem?

• A) A large sample confidence interval for μ.
• B) A small sample confidence interval for μ.
• C) A large sample confidence interval for p.
• D) A small sample confidence interval for p.

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Definitions:

Printed Memos

Physical memorandums circulated within an organization to communicate information or instructions.

E-messages

Electronic messages that are transmitted over the internet or other digital network, including emails and instant messages.

Richness

In communication, the depth and complexity of information conveyed, often enhanced by the medium's ability to facilitate immediate feedback and convey multiple cues like tone and body language.

Face-to-face Conversation

Direct interpersonal communication where individuals talk with each other in person, allowing for immediate feedback and non-verbal cues.