Mathematics, 23.01.2021 05:50 kadinmorgan

Help! Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a group of 230 tests, how many students score within one standard deviation of the mean?

about 187 students

about 156 students

about 78 students

about 115 students

Answers: 2

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Help! Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10....

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Help! Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a group of 230 tests, how many students score within one standard deviation of the mean? about 187 students about 156 students about 78 students about 115 students

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Other questions on the subject: Mathematics

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Help! Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. In a group of 230 tests, how many students score within one standard deviation of the mean?

about 187 students

about 156 students

about 78 students

about 115 students