Mathematics, 05.05.2020 00:44 dondre54
The marks obtained by students of a class in a test are normally distributed with a mean of 60 marks and a standard deviation of 5 marks.
About what percent of students have scored more than 75 marks?
a.
0.5
c.
15.5
b.
2.5
d.
34
Answers: 2
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