A Laboratory Tested 82 Chicken Eggs and Found That the Mean

question 36

Multiple Choice

A laboratory tested 82 chicken eggs and found that the mean amount of cholesterol was 228 milligrams with $\sigma = 19.0 \text { milligrams. }$
Construct a 95% confidence interval for the true mean cholesterol content, $\mu$ of all such eggs.

• A) \(223 \mathrm { mg } < \mu < 232 \mathrm { mg }\)
• B) \(224 \mathrm { mg } < \mu < 232 \mathrm { mg }\)
• C) \(225 \mathrm { mg } < \mu < 233 \mathrm { mg }\)
• D) \(223 \mathrm { mg } < \mu < 231 \mathrm { mg }\)

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