5. A really tough trivia quiz has 50 multiple-choice questions, each with four possible answers. a. List the probability of success & failure for one question, success mean, and standard deviation to two decimal places. [T 3]

b. Determine whether a binomial distribution using a normal distribution model is reasonable. If so, explain your reasoning. [C 2]

c. Calculate the probability of randomly guessing 15 to 20 (inclusive) questions correctly. [T 3]