A Population Has a Standard Deviation of 50

question 36

Multiple Choice

A population has a standard deviation of 50. A random sample of 100 items from this population is selected. The sample mean is determined to be 600. At 95% confidence, the margin of error is

• A)5
• B)9.8
• C)650
• D)609.8

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Definitions:

Evaporation

The process by which a liquid turns into a gas at a temperature below its boiling point through the increase of energy.

Convection

The process of heat transfer through fluids (gas or liquid) by the movement of the heated parts of the fluid itself.

Conduction

The process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or electrical potential between adjoining regions, without movement of the material.

Allergic Response

The body's immune system reacting abnormally to a foreign substance, such as pollen, food, or medication, resulting in symptoms like itching, swelling, and difficulty breathing.