Use the Given Degree of Confidence and Sample Data to Construct

question 122

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population mean µ. Assume that the population has a normal distribution.
-Weights of eggs: $95 \%$ confidence; $\mathrm { n } = 22 , \overline { \mathrm { x } } = 1.77 \mathrm { oz } , \mathrm { s } = 0.47 \mathrm { oz }$

• A) \(0.36 \mathrm { oz } < \sigma < 0.65 \mathrm { oZ }\)
• B) \(0.37 \mathrm { oz } < \sigma < 0.61 \mathrm { oz }\)
• C) \(0.36 \mathrm { oz } < \sigma < 0.67 \mathrm { oz }\)
• D) \(0.38 \mathrm { oz } < \sigma < 0.63 \mathrm { oz }\)

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