In Which Situation May the Sample Proportion Safely Be Assumed

question 82

Multiple Choice

In which situation may the sample proportion safely be assumed to follow a normal distribution?

• A)n = 100,π = 0.06
• B)n = 250,π = 0.02
• C)n = 30,π = 0.50
• D)n = 500,π = 0.01

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Definitions:

Active Transport

The migration of molecules from a lower concentration zone to a higher concentration zone across a cell's membrane, an action that requires energy.

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions, often leading to the movement of molecules along the gradient during diffusion.

Molecules

The smallest unit of a chemical compound that can exist while retaining the properties of that compound.

Osmosis

The movement of water molecules through a semi-permeable membrane from a region of lower solute concentration to one of higher concentration, aiming to equalize concentrations.