An instructor has a question bank consisting of 300 easy True / False questions, 200…
MATHEMATICS · Subjective · GCSE · Mathematics · Probability · Probability
Problem
13. An instructor has a question bank consisting of 300 easy True / False questions, 200 difficult True / False questions, 500 easy multiple choice questions and 400 difficult multiple choice questions. If a question is selected at random from the question bank, what is the probability that it will be an easy question given that it is a multiple choice question?