If a Random Variable Is Drawn from a Normal Distribution

question 61

Multiple Choice

If a random variable is drawn from a normal distribution, what is the probability that the random variable is larger than 1.96 standard deviations below the mean?

• A) 95.00%
• B) 96.25%
• C) 97.50%
• D) 98.75%

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Definitions:

Infects Trees

The process by which pathogens such as bacteria, viruses, or fungi invade and cause diseases in tree species.

Fungal Hyphae

The long, branching filamentous structure of a fungus, which collectively forms the mycelium.

Mycorrhiza

A symbiotic association between a fungus and the roots of a vascular plant, enhancing nutrient absorption.

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the passage of substances in and out of the cell.