Mathematics, 28.07.2019 02:00, shainaanderson24
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?
Answers: 1
) are normally distributed, we can say
has the standard normal distribution. So if there are 
students, we can expect approximately 12.65% of them to have a score of at least 80%.
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The mean score was 72%. the standard deviation was 7%. based on this information, what is the best a...
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