A Sample Mean Is Compared Against a Standard for a Large

question 20

Multiple Choice

A sample mean is compared against a standard for a large sample.Now,assume the sample mean was found to equal 40.What is the appropriate confidence interval? (Note: Round to the nearest whole number. )

• A)23 < m < 57
• B)Can't be determined from the information given.
• C)14 < m < 66
• D)38 < m < 42
• E)20 < m < 60

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Definitions:

Territory Acquisition

The process by which a country or state expands its land and jurisdiction through purchase, negotiation, conquest, or discovery, significantly impacting its political and geographical landscape.

Ethnic Diversity

The presence of a wide range of distinct ethnic, cultural, and national groups within a given society or area.

California Population

The total number of individuals residing in California, reflecting its status as one of the most populous states in the United States.

Treaty of Guadalupe Hidalgo

The 1848 treaty that ended the Mexican-American War and resulted in the United States acquiring territories including modern-day California, Nevada, and Utah.