Use the Given Degree of Confidence and Sample Data to Construct

question 44

Multiple Choice

Use the given degree of confidence and sample data to construct a confidence interval for the population mean $\mu$ . Assume that the population has a normal distribution.
A laboratory tested twelve chicken eggs and found that the mean amount of cholesterol was 185 milligrams with $s = 17.6$ milligrams. A confidence interval of $173.8 \mathrm { mg } < \mu < 196.2 \mathrm { mg }$ is constructed for the true mean cholesterol content of all such eggs. It was assumed that the population has a normal distribution. What confidence level does this interval represent?

• A) \(99 \%\)
• B) \(95 \%\)
• C) \(98 \%\)
• D) \(80 \%\)

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Definitions:

Spiral Staircase

A type of staircase that curves around a central pole, creating a helical structure.

Chromosomes

Threadlike structures that come in 23 pairs, with one member of each pair coming from each parent. Chromosomes contain the genetic substance DNA.

Human Cell

The basic building block of the human body, which consists of a nucleus and cytoplasm enclosed in a membrane.

Genetic Expression

The process by which information from a gene is used to synthesize functional gene products, such as proteins, which can influence an organism's traits.