Use the Empirical Rule to Solve the Problem

question 10

Multiple Choice

Use the empirical rule to solve the problem.
-At one college, GPA's have a roughly bell-shaped distribution with a mean of 2.9 and a standard deviation of 0.6. What percentage of students at the college have a GPA between 2.3 and 3.5?

• A)84.13%
• B)99.7%
• C)68%
• D)95%

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Definitions:

Lack Of Attention

A deficiency in the ability or willingness to focus on a specific task or object, often leading to challenges in learning and performing.

Hyperactivity

is an abnormal level of activity, often indicative of attention-deficit hyperactivity disorder (ADHD), characterized by excessive movement and difficulty with impulse control.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, including activities undertaken while working, playing, or exercising.

Encouragement

The act of giving support, confidence, or hope to someone, often leading to increased motivation or positivity.