0the data set with the results of a test for 1000 students is approximated by a bell curve.
th...
Mathematics, 12.09.2019 19:20 seseluka
0the 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
Answers: 1
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