5. A weekly quiz is given in a course. You have a 90% chance of earning a passing grade on any quiz. a. What is the probability that your 12t quiz will be the first one you fail? b. What is the probability that, given you have taken 14 quizzes, that you have passed at least 12 of them? c. What is the probability that the first quiz you fail will be the 8 quiz you take? d. What is the average (expected) number of quizzes passed per 14-week semester