Grades for a Statistics Exam for a Certain Class Follow

question 75

Short Answer

Grades for a statistics exam for a certain class follow the normal probability distribution with a mean of 82 and a standard deviation of 12.What percentage of the students in the class earned a B grade (80-89)?

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Definitions:

Government

The organization, or group of individuals and institutions, that has the authority to make and enforce laws and decisions for a specific community, region, or country.

Private Goods

Goods that are characteristically excludable and rivalrous, meaning their use is limited to paying customers and one person's consumption prevents another's.

Public

The general population or community at large, often the recipient of information, services, or goods provided by governments or organizations.

External

Pertaining to or located outside of an entity or organization, often relating to the external environment, influences, or factors.