In a multiple choice quiz there are 5 questions and 4 choices for each question (a, b, c, d). Robin has not studied for the quiz at all, and decides to randomly guess the answers. Find the probabilities of each of the following events: (a) the first question she gets right is the 3rd question? (please round to four decimal places) (b) she gets exactly 3 or exactly 4 questions right? (please round to four decimal places) (c) she gets the majority of the questions right? (please round to four decimal places)

Please show formula