Use the Confidence Level and Sample Data to Find a Confidence

question 122

Multiple Choice

Use the confidence level and sample data to find a confidence interval for estimating the population µ. Round your answer to the same number of decimal places as the sample mean.
-Test scores: $\mathrm { n } = 102 , \overline { \mathrm { x } } = 77.4 , \sigma = 6.5 ; 99 \%$ confidence

• A) \(76.1 < \mu < 78.7\)
• B) \(75.7 < \mu < 79.1\)
• C) \(75.9 < \mu < 78.9\)
• D) \(76.3 < \mu < 78.5\)