# How to calculate the 70th percentile with a mean and standard deviation?

Using a dataset with mean = 77 and SD = 5.41, find the exam score for student who is at the 70th percentile (did better than 70% of students).

I have a chart for z scores and know how to convert raw scores to p-values or z-scores and vice versa but I am not sure how to calculate this. Also If 77 is the mean and its the 50 percentile then two standard deviations would be the 70th?

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