Mathematics, 22.02.2021 03:20, 21ghostrider21

The data set with the results of a test for 1000 students is approximated by a bell curve. The mean score was 72%. The standard deviation was 7%. Based on this information, what is the best approximation for the number of students who scored 80% or better?

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The data set with the results of a test for 1000 students is approximated by a bell curve.

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The data set with the results of a test for 1000 students is approximated by a bell curve. The mean score was 72%. The standard deviation was 7%. Based on this information, what is the best approximation for the number of students who scored 80% or better? 16 800 309 159

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The data set with the results of a test for 1000 students is approximated by a bell curve. The mean score was 72%. The standard deviation was 7%. Based on this information, what is the best approximation for the number of students who scored 80% or better?

16
800
309
159