You are taking a multiple-choice quiz that consists of 3 questions. Each question has 4 possible answers, only one of which is correct. To complete the quiz, you randomly guess the answer to each question. Find the probability of guessing (a) exactly 2 answers correctly, (b) at least 2 answers correctly, or (c) less than 2 answers correctly.© BrainMass Inc. brainmass.com March 4, 2021, 7:18 pm ad1c9bdddf
The questions calculates the probability of success in guessing many multiple choice questions based on binomial probabilities.