Provide an Appropriate Response $99 \%$ Confidence Interval for the Population Mean

question 31

Multiple Choice

Provide an appropriate response.
-Construct a $99 \%$ confidence interval for the population mean, $\mu$ . Assume the population has a normal distribution. A group of 19 randomly selected employees has a mean age of $22.4$ years with a standard deviation of $3.8$ years.

• A) \(( 19.9,24.9 )\)
• B) \(( 16.3,26.9 )\)
• C) \(( 17.2,23.6 )\)
• D) \(( 18.7,24.1 )\)

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