A Laboratory Tested 82 Chicken Eggs and Found That the Mean

question 148

Multiple Choice

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

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

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Definitions:

Histamine

An organic nitrogenous compound involved in local immune responses, regulating physiological function in the gut, and acting as a neurotransmitter.

Vasodilation

The widening of blood vessels, which decreases blood pressure and allows for increased blood flow.

Smooth Muscle Relaxation

The process by which smooth muscles (found in the walls of internal organs and blood vessels) relax, leading to dilation of blood vessels and decreased resistance to blood flow.

B cells

A type of white blood cell that produces antibodies to help fight infections.