A multiple-choice test has 48 questions, each with four responsechoices. If a student is simply guessing at the answers,
1. What is the probability of guessing correctly for anyindividual question?
2. On average, how many questions would a student answercorrectly for the entire test?
3. What is the probability that a student would get more than 15questions correct? p(more than 15 answers correct)
4. What is the probability that a student would get 15 or morequestions correct simply by guessing?
