The Head Librarian at the Library of Congress Has Asked

question 184

Multiple Choice

The head librarian at the Library of Congress has asked her assistant for an interval estimate of the mean number of books checked out each day.The assistant provides the following interval estimate: from 740 to 920 books per day.If the head librarian knows that the population standard deviation is 150 books checked out per day,approximately how large a sample did her assistant use to determine the interval estimate?

• A)2
• B)3
• C)12
• D)It cannot be determined from the information given.

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Definitions:

Public Interest Groups

Organizations that aim to influence public policy and decision-making in favor of the general welfare or the interests of the public at large.

Government Action

Refers to any activity or initiative undertaken by a governmental body, ranging from policy decisions to legislative enactments and enforcement measures.

Louvre

A world-renowned museum in Paris, France, known for its vast collection of art and historical artifacts, including the Mona Lisa.

House Of Commons

The lower house of the Parliament of the United Kingdom, responsible for making and passing legislation.