The Average Score of 100 Students Taking a Statistics Final

question 13

Multiple Choice

The average score of 100 students taking a statistics final was 70,with a standard deviation of 7. Assuming a normal distribution,what is the probability that a student scored 90 or higher?

• A)0.4979
• B)0.0021
• C)0.9979
• D)2.86

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Definitions:

Consumer Behaviour

The study of how individuals, groups, or organizations select, buy, use, and dispose of goods, services, ideas, or experiences to satisfy their needs and desires.

Socialization Agents

People, organizations, and institutions that play a role in how individuals learn social norms, values, and behaviors, influencing their consumption patterns and preferences.

Beliefs

Firm belief in the reality or truthfulness of something, even in the absence of proof.

VALS Framework

A marketing and demographic tool that categorizes consumers into eight different psychological profiles based on their motivations and resources.