The Value of the Cumulative Standardized Normal Distribution at 1

question 75

Multiple Choice

The value of the cumulative standardized normal distribution at 1.5X is 0.9332.The value of X is

• A)0.10
• B)0.50
• C)1.00
• D)1.50

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Definitions:

Concentration Gradient

A variation in the concentration of a substance across a distance, leading to the movement of particles from an area of high concentration to one of lower concentration.

Carrier Molecules

Proteins that facilitate the transport of substances across a cell membrane without modification of the transported substance.

Facilitated Diffusion

A transport process where molecules pass across cell membranes through protein channels without the expenditure of cellular energy.

Active Transport

The movement of substances across cell membranes against a concentration gradient, requiring energy expenditure by the cell.