A Market Research Team Compiled the Following Discrete Probability Distribution

question 34

Multiple Choice

A market research team compiled the following discrete probability distribution on the number of soft drinks the average adult drinks each day. In this distribution, x represents the number of sodas which an adult drinks: The mean (average) value of x is ___.

• A) 1.4
• B) 1.75
• C) 2.10
• D) 2.55
• E) 3.02

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Definitions:

Archival Research

A research method involving the examination and analysis of records and documents from the past to study behaviors, events, or trends over time.

Naturalistic Observation

A method of research where subjects are watched in their natural environments without any manipulation by the study conductor.

Case Study

An in-depth investigation of a single subject, group, event, or community over a period of time to reveal underlying principles or findings.

Archival Research

Archival research involves the use of existing records and archival materials as sources of data for research, allowing investigation of historical contexts, trends, and relationships.