you are going to take a multiple choice test. the test has twenty questions on it and each question has five possible answers. 1. Calculate the mean and standard deviation for the number of corrected answers. 2. what is the probability that you answer at most 6 questions correctly? 3. Is 6 significantly low? 4. What is the probability that you answer at least 10 questions correctly? 5. Is 10 significantly high? 6. What is the probability that you get between 3 and 5 questions right?