Chnstine has always been weak in mathematics. Based on her pefformance prior to the final exam in Calculus, there is 0.57% chance that she will fall the course if she does not have a tutor. With a tutor, her probability of falling decreases to 27%. Thete is only a 67% chance that she will find a tutor at such short notice. a. What is the probability that Christine fails the course? Note: Round your answer to 4 decimal places. b. Christine ends up failing the course What is the probability thot she had found a tutor? Note: Round your answer to 4 decimal placeo