Choose the One Alternative That Best Completes the Statement or Answers

question 89

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-A group of 40 car owners calculated that their average repair bill was $\$ 192$ with a population standard deviation of $\$ 8$ . Compute the $95 \%$ confidence interval for the mean repair bill of all the owners.

• A) \(( \$ 189.50 , \$ 194.50 )\)
• B) \(( \$ 186.50 , \$ 197.50 )\)
• C) \(( \$ 188.50 , \$ 195.60 )\)
• D) \(( \$ 187.30 , \$ 196.10 )\)

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Definitions:

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A UK-based economist who significantly transformed both the theoretical and practical aspects of macroeconomics, as well as the economic strategies executed by governments.

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