Mathematics, 27.07.2019 11:10 mariehart3097

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
159
309
800

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

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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? 16 159 309 800

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Another question on Mathematics

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
159
309
800