Question: A multiple-choice test has 48 questions, each with four response choices. If a student is simply guessing at the answers, a. What is the probability

A multiple-choice test has 48 questions, each with four response choices. If a student is simply guessing at the answers,
a. What is the probability of guessing correctly for any question?
b. On average, how many questions would a student get correct for the entire test?
c. What is the probability that a student would get more than 15 answers correct simply by guessing?
d. What is the probability that a student would get 15 or more answers correct simply by guessing?

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