Each Salesperson in a Large Department Store Chain Is Rated

question 31

Multiple Choice

Each salesperson in a large department store chain is rated on their sales ability and their potential for advancement. The data for the 500 sampled salespeople are summarized in the following table.

-What is the probability that a salesperson selected at random has above average sales ability and is an excellent potential for advancement?

• A)0.20
• B)0.50
• C)0.27
• D)0.75

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Definitions:

Database

An organized collection of structured information, or data, typically stored electronically in a computer system.

Entity

In general context, an entity refers to any distinct, existent thing or unit, including individuals, organizations, or other identifiable things in a particular domain of discussion.

Record

A grouping of logically related fields.

Field

An area of study or specialization, or a physical or virtual space where activities occur.