Use the Following Information to Answer Questions (11)-(13)

question 19

Essay

Use the following information to answer questions (11)-(13). According to the website www.costofwedding.com, the
average cost of catering a wedding (with an open bar) is $100 per person. Recently, in a random sample of 40
weddings in the U. S. it was found that the average catering cost was $110, with a standard deviation of $12. On the
basis of this, a 95% confidence interval for the mean catering cost for a wedding is $106 to $114.
-Explain whether the confidence interval provides evidence that the mean catering cost of a wedding has increased. Be specific about the reasoning of using the confidence interval.

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Definitions:

U.S. Government

The federal government of the United States, consisting of three branches: executive, legislative, and judicial, established to govern the country.

Customers

Individuals or businesses that purchase goods or services from a company.

Billions

A numerical value representing one thousand million (1,000,000,000) in the American counting system.

Personality Characteristics

Traits and attributes that form an individual's distinctive character.