Posted by **lucy** on Wednesday, April 20, 2011 at 9:22pm.

An average score of 90 or above in a history class receives an A grade. You have scores of 90, 89, and 85 on three exams. Find the range of scores on the fourth exam that will give you an A grade for the course. (Let N stand for your score on the fourth exam.)

## Answer This Question

## Related Questions

- statistics - The grades on the final examination given in a large organic ...
- math - Suppose that you are taking a course that has three exams which count for...
- math - Suppose that you are taking a course that has three exams which count for...
- Math - Kelly's scores on the first three tests in her physics class are 79, 84, ...
- Math - Doug had scores of 80, 85, 75, and 80 on his first four exams in a course...
- math - Doug had scores of 80, 85, 75, and 80 on his first four exams in a course...
- statistics - The box plot below summarize the distributions of SAT verbal and ...
- Statistics - 5. Scores on a recent national statistics exam were normally ...
- algebra - A student has scores of 72, 78, and 87 on three government exams. What...
- Algebra - Test scores of average 7th grade class are: 77,83,92,66,89,74,98,79,85...

More Related Questions