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Use the Empirical Rule for...

Use the Empirical Rule for Data with a Bell Shaped Distribution for this question. Assume that the average score (mean) on a national exam is 65.5 out of 100 and the standard deviation of scores is 6.5. A total of 14,250 students took the exam. Please show how you get your results.

What % of students scored over 78.5 on the exam? How many students is that?

What % of students scored over 78.5 on the exam? How many students is that?

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