Empirical Rule

Mr. Schemer's test is normally distributed with a mean of 70 and a standard deviation of 7 points.
What percent of the students scored between 56 and 77?

What is the probability that a randomly selected score is less than 56?

What percent of the students scored between 56 and 84?

What percent of the students scored between 49 and 91?

What percent of the students scored less than 84?

A score of 49 is what percentile?

What percent of the student scored above 77?

A score of 70 is what percentile?

A score of 77 is what percentile?

What percent of the students scored above 63?

A score of 91 is what percentile?

What is the probability that a randomly selected score is greater than 84?

What percent of the students scored between 63 and 77?

What is the probability that a randomly selected score is greater than 77?z

Sorry for the long question, they should be pretty simple just a lot of them. Thx!