Choose the One Alternative That Best Completes the Statement or Answers

question 33

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-In a recent study of 42 eighth graders, the mean number of hours per week that they played video games was $19.6$ with a population standard deviation of $5.8$ hours. Compute the $98 \%$ confidence interval for $\mu$ .

• A) \(( 17.5,21.7 )\)
• B) \(( 14.1,23.2 )\)
• C) \(( 18.3,20.9 )\)
• D) \(( 19.1,20.4 )\)

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Definitions:

Revolutionary War

Also known as the American Revolution, this was the conflict between the thirteen American colonies and British rule from 1775-1783, leading to the independence of the United States.

France's Involvement

The participation or engagement of France in a particular event or context, historically significant in various global affairs.

Continental Army

The revolutionary war military force of the American colonies from 1775 to 1783, established to fight against British rule during the American Revolutionary War.

African-Americans

A racial group in the United States with origins in the black racial groups of Africa, including those who trace their ancestry to slaves brought to the US and individuals who immigrated from African nations.