The Probability Mass Between Two Standard Deviations Around the Mean

question 6

Multiple Choice

The probability mass between two standard deviations around the mean for a normal distribution is ________.

• A) 66%
• B) 90%
• C) 75%
• D) 95%

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Definitions:

Genetically

Pertaining to genes and heredity, often used in contexts discussing inherited characteristics or genetic engineering.

Genetic Difference

Variations in the DNA sequence among individuals or populations, which can result in different traits or susceptibilities to diseases.

Genetically Closed

Describes populations or species with little to no genetic exchange with others, leading to high genetic similarity within the group.