What is the probability of getting at least 70% by guessing, on a multiple-choice test with 100 questions and 5 options for each question?
I am guessing the probability is tiny but if each question is 1/5 or 0.2 what is it for the whole test?
What is the probability of getting at least 70% by guessing, on a multiple-choice test with 100 questions and 5 options for each question?
I am guessing the probability is tiny but if each question is 1/5 or 0.2 what is it for the whole test?