It’s been a while since most of us sat in a math classroom, right?This quiz takes you from Grade 1 basics all the way to serious school-level problems - and it’s tougher than it sounds. There are 36 ...

I often pose questions in my statistics class that ask about the probability of randomly choosing a correct answer from a list of possible answers on a multiple choice test. I ask the students to ...

Ideally, multiple-choice exams would be random, without patterns of right or wrong answers. However, all tests are written by humans, and human nature makes it impossible for any test to be truly ...