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An aptitude test has a mean score of 80 and a standard deviation of 5. The population of scores is normally distributed. What proportion of tests has scores over 90?
Ethnic Group
A community or population made up of people who share a common cultural background, heritage, language, or ancestry, often manifesting distinct social identity.
Professionally Employed
Refers to individuals who are engaged in occupations requiring specialized knowledge and often advanced education, typically in a field considered as a profession.
Programmed Machines
Machines designed to perform a predetermined sequence of operations automatically, often used in manufacturing and processing.
Robotics
The branch of engineering and science that involves the conception, design, manufacture, and operation of robots.
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