Hard Statistics Question for the SAT

Here is a hard SAT Statistics problem for you to try. A solution will be posted soon.

Level 5 Statistics

In Dr. Steve’s AP Calculus BC class, students are given a grade between 0 and 100, inclusive on each exam. Jason’s average (arithmetic mean) for the first 3 exams was 90. What is the lowest grade Jason can receive on his 4th exam and still be able to have an average of 90 for all 7 exams that will be given?

Share this problem with your Facebook friends that are preparing for the SAT

If you’re preparing for the SAT, you may want to check out the Get 800 collection of SAT math books.

Comments

comments