From Past History, the Scores on a Statistics Test Are

question 27

Essay

From past history, the scores on a statistics test are normally distributed with a mean score of 70 and a standard deviation of 5. To earn a "C" on the test, a student must be in the top 25% of the class. A student would need to score at least ______ to receive a "C" grade.

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Definitions:

Engineering Approach

A problem-solving process that involves the application of scientific and mathematical principles.

Time And Motion Studies

An efficiency technique that analyzes the time required for and movements involved in a task with the goal of improving productivity.

Desired Performance

The level or standard of work output or outcomes expected from an individual or group.

Actual Performance

The real, observed output or results achieved by an individual, group, or organization, as opposed to expected or theoretical outcomes.