For a Variable That Is Normally Distributed with a Mean

question 100

Multiple Choice

For a variable that is normally distributed with a mean of 20 and a standard deviation of 4, approximately ______ of the scores are between ______and ______.

• A) 95%; 16 and 24
• B) 68%; 10 and 30
• C) 68%; 12 and 28
• D) 99%; 8 and 32

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Definitions:

Survival

The act of remaining alive or in existence, especially after facing life-threatening conditions or situations.

Developmental Psychology

A branch of psychology that studies the growth and changes in human behavior and mental processes throughout the lifespan.

Lifespan

The duration of time that an organism, individual, or object exists, from its birth or creation to its death or expiration.

Developmental Changes

Refers to the physical, cognitive, and emotional growth that occurs throughout a person’s lifespan.