What Percentage of Z-Scores in the Standard Normal Distribution Are

question 43

Multiple Choice

What percentage of z-scores in the standard normal distribution are greater than z = -2.00?

• A) 2.28%
• B) 52.28%
• C) 84.00%
• D) 97.72%

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Definitions:

Elemental Mass

The mass of a single atom of an element, typically measured in atomic mass units (amu) or grams per mole.

Periodic Table

A tabular arrangement of the chemical elements, organized on the basis of their atomic number, electron configurations, and recurring chemical properties.

Proton Count

The number of protons in the nucleus of an atom, which determines the chemical element of the atom and is denoted as the atomic number.

Eka-Aluminum

A historical name for gallium, predicted by Mendeleev using his periodic table before it was discovered, exhibiting similar properties to aluminum.