Use the Given Degree of Confidence and Sample Data to Construct

question 138

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.
- $\mathrm { n } = 30 , \overline { \mathrm { x } } = 84.6 , \mathrm {~s} = 10.5,90 \%$ confidence

• A) \(79.32 < \mu < 89.88\)
• B) \(81.36 < \mu < 87.84\)
• C) \(80.68 < \mu < 88.52\)
• D) \(81.34 < \mu < 87.86\)

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Definitions:

Bird Respiration

The process by which birds exchange gases, notably featuring a unique system of air sacs that provides them with a continuous flow of air through their lungs for high efficiency.

Alveoli

Tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide takes place.

Gas Exchange

The biological process through which organisms exchange oxygen and carbon dioxide with their environment, vital for respiration.

Glottis

The part of the larynx consisting of the vocal cords and the slit-like opening between them, crucial for producing vocal sounds.