Question 24 (1 point) A student randomly guesses at four multiple-choice questions. Each question has three possible choices. The random variable X denotes the number of correct answers. This experiment can be modeled as (a) a normal experiment with mean 1/3 and standard deviation 4. ( b) a normal experiment with mean 4 and standard deviation 1/3. O c) a binomial experiment with mean 4 and standard deviation 1/3 O d) a binomial experiment with 4 trials and success probability 1/3. O e) a binomial experiment with 3 trials and success probability 1/4