Mathematics, 30.11.2019 16:31 ellisc7044

The grades received by 200 students follow a normal distribution. the mean of the grades is 70%, and the standard deviation is 7%. the number of students who received a grade greater than 70% is about? and the number of students who got a grade higher than 84% is about?

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The grades received by 200 students follow a normal distribution. the mean of the grades is 70%, and...