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

Answers

Another question on Mathematics

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