2. Assume that a multiple choice quiz has 10 questions, each with four answers. Assume a student must select only one answer for each of the 10 questions. Assume further each question is independent, that every answer is equally likely to be selected. and that there is one correct answer. (a) What is the value of n? (b) What is the value of p? (c) Find the probability that a student answers all ques tions correctly. ((1) Find the probability that a student gets at least 2 questions correct. (e) What grade should the professor expect the class to get on average for this quiz