Twenty Percent of the Students in a Class of 100

question 11

Multiple Choice

Twenty percent of the students in a class of 100 are planning to go to graduate school. The standard deviation of this binomial distribution is

• A)20
• B)16
• C)4
• D)2

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Definitions:

Day

A period of 24 hours as a unit of time, representing the time taken by the Earth to complete one rotation with respect to the sun.

Utility

Refers to the total satisfaction received from consuming a good or service.

Consuming

The act of using goods and services to satisfy needs or wants.

Maximizing Utility

The process of choosing the most satisfying option among available choices based on preferences and constraints.