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 ...
- Math - I have this question for summer homework: "Mary's quiz scores were 92, 85...
- Information Technology - Develop an algorithm, flow chart and pseudocode that ...