Question: Scores on a Math exam were normally distributed with a mean of 67% and a standard deviation of 8.Use this information to determine the following:

Scores on a Math exam were normally distributed with a mean of 67% and a standard deviation of 8.Use this information to determine the following:

About what percent of exams were below 75%?

About what percent of the exam scores were above 83%?

A failing grade on the exam was anything 2 or more standard deviations below the mean.What was the cutoff for a failing score?Approximately what percent of the students failed?

About what percent of the students were below a 80%?

What percent of the students scored at least a 63% and at most a 83%?

What percent of the students scored at least a 60% and at most a 72%?

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