Use the Empirical Rule to Describe Data That Are Bell $99.85 \%$

question 132

Multiple Choice

Use the Empirical Rule to Describe Data That Are Bell Shaped
-Many firms use on-the-job training to teach their employees new software. Suppose you work in the personnel department of a firm that just finished training a group of its employees in new software, and you have been requested to review the performance of one of the trainees on the final test that was given to all trainees. The mean and standard deviation of the test scores are 84 and 3 , respectively, and the distribution of scores is bell shaped. What percentage of test-takers scored better than a trainee who scored 75 ?

• A) approximately \(99.85 \%\)
• B) approximately \(84 \%\)
• C) approximately \(95 \%\)
• D) approximately \(97.5 \%\)

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Definitions:

Currency Exchange Rates

The value of one country's currency expressed in the units of another country's currency, used in the process of exchanging currencies between nations.

Equivalent Amount

A sum of money or value that is considered to be equal in worth or value to another.

First Column

The leftmost column in a spreadsheet or table, often containing the primary key or unique identifiers.

Basket of Goods

A representation of a fixed set of consumer products and services whose total cost is used to measure inflation.