a). A fair coin is tossed 8 times. i ) . What is the probability that the eighth toss results in a head given that preceding 7 tosses were heads? [2mks] ii ) . What is the probability of getting eight heads or eight tails if the fair coin is tossed 8 times? [2mks] b). A student is taking multiple choice exam in which each question has four possible answers, exactly one which is correct. If the student knows the answer he (she) selects one answer at random from the four possible answers. Suppose that the student knows the answers to 55% of the questions. 1). What is the probability that on a given question the student gets the correct answer? [2mks] ii). If the student gets the correct answer to a question what is the probability that he or she knows the answer? [2mks] Activate V Go.to Setting