When the Population Is Normally Distributed,population Standard Deviation σ Is

question 102

Multiple Choice

When the population is normally distributed,population standard deviation σ is unknown,and the sample size is n = 15;the confidence interval for the population mean μ is based on:

• A)The z (normal)distribution.
• B)The t distribution.
• C)The binomial distribution.
• D)The Poisson distribution.
• E)None of these.

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Definitions:

Oxygen Saturation

The measure of the amount of oxygen bound to hemoglobin in the blood, indicating respiratory efficiency.

Pulmonary Capillaries

Tiny blood vessels in the lungs where gas exchange occurs, allowing oxygen to enter the bloodstream and carbon dioxide to be removed.

Hemoglobin

A protein in red blood cells that carries oxygen from the lungs to the rest of the body and returns carbon dioxide from the body to the lungs.

Diffuse

To spread or scatter widely or thinly, often referring to particles, light, or substances mixing with another substance without any clear boundary.