Use the Confidence Level and Sample Data to Find a Confidence

question 22

Multiple Choice

Use the confidence level and sample data to find a confidence interval for estimating the population µ.
-A laboratory tested 90 chicken eggs and found that the mean amount of cholesterol was 230 milligrams with $\sigma = 16.0$ milligrams. Construct a 95 percent confidence interval for the true mean cholesterol content, $\mu$ , of all such eggs.

• A) \(227 < \mu < 233\)
• B) \(226 < \mu < 232\)
• C) \(228 < \mu < 234\)
• D) \(226 < \mu < 233\)

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