In an Application to Estimate the Mean Number of Miles

question 49

Multiple Choice

In an application to estimate the mean number of miles that downtown employees commute to work roundtrip each day, the following information is given: If the desired confidence level is 95 percent, the appropriate critical value is:

• A) z = 1.96
• B) t = 2.093
• C) t = 2.086
• D) .7826

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Definitions:

Arms Agreement

A pact between two or more nations to regulate or limit the development, production, or deployment of weapons systems and military forces.

United States

A country in North America comprising 50 states and a federal district, known for its democratic governance and mixed economy.

Soviet Union

A socialist state in Eurasia that existed from 1922 to 1991, officially known as the Union of Soviet Socialist Republics (USSR), composed of multiple subnational Soviet republics.

My Lai

A village in Vietnam where a massacre of unarmed civilians by U.S. soldiers took place during the Vietnam War.