Julie was given a map of new hampshire to calculate some distances. The scale is 1 inch = 50 miles. How far is hanover (bottom left corner of triangle) from littleton (top middle corner of triangle)?.

On a test the graders have a mean of 77 and a standard deviation of 8. if we can approximate the distribution of these graders by a number distribution what percent of the students. a) scores higher than 77? b) should pass the test (grades > 60)? c) should fail the test (grades < 60)?