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SAT, 11.10.2020 14:01 YOURKINGNESS7689
Students obtained a mean score of 380 with a standard deviation of 20 on a standardized
test. Assuming a bell-shaped distribution, find an interval about the mean that contains approximately 95.5% of the
students score and use it to determine whether a score of 415 is unusual?
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Answers: 1
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Students obtained a mean score of 380 with a standard deviation of 20 on a standardized
test. Assum...
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