The Mean Score of a College Entrance Test Is 500;

question 29

Multiple Choice

The mean score of a college entrance test is 500; the standard deviation is 75. The scores are normally distributed. What percent of the students scored below 320?

• A)About 50.82%
• B)About 34.13%
• C)About 7.86%
• D)About 0.82%

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Definitions:

Treisman's Feature Integration Theory

A psychological theory proposing that object perception occurs in a sequential process: initial features are analyzed and then combined to form a coherent object.

Experimental Conditions

The controlled settings and variables used in an experiment to test hypotheses and observe outcomes.

Filter Theory

A theory in psychology proposing that information is screened or filtered before further processing for attention or action.

Physical/Acoustical Properties

relate to the characteristics of sound or sound waves, including frequency, amplitude, and velocity, which determine how sounds are produced, transmitted, and perceived.