Apply the 68-95-99.7 Rule to Answer the Question

question 2

Multiple Choice

Apply the 68-95-99.7 rule to answer the question.
-At one college, GPA's are normally distributed with a mean of 2.8 and a standard deviation of 0.5. What percentage of students at the college have a GPA between 2.3 and 3.3?

• A)99.7%
• B)84%
• C)95%
• D)68%

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Definitions:

Debit Card

A payment card that deducts money directly from a consumer’s checking account to pay for a purchase.

Marginal Utility

The additional satisfaction or benefit gained from consuming one more unit of a good or service.

Indifference Curve

A graphical representation showing combinations of goods among which a consumer is indifferent, indicating the same level of utility or satisfaction.

Budget Line

The graphical depiction of the trade-off between two goods, demonstrating the combinations that a consumer can afford based on their income and the goods' prices.