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Use the Confidence Level and Sample Data to Find a Confidence

Question 161

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: n=72,x=58.1,σ=6.2;98%\mathrm { n } = 72 , \overline { \mathrm { x } } = 58.1 , \sigma = 6.2 ; 98 \% confidence


A) 56.9<μ<59.356.9 < \mu < 59.3
B) 56.2<μ<60.056.2 < \mu < 60.0
C) 56.4<μ<59.856.4 < \mu < 59.8
D) 56.7<μ<59.556.7 < \mu < 59.5

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