(11) 8. We know about 12% of the US population has had COVID 19 as of this test's writing. a) If I take a sample of 120 people in the US what is the probability more than 10 have had COVID 19? b) If I take a sample of 1200 people in the US what is the probability more than 100 have had COVID 19? c) Why are your answers for a) and b) different even though I am asking for the same probability in each case? d) If I take a sample of 1200 people what would be a normal range for the number of people who have had COVID 19? Answer: (4) 9. Explain the difference between a discrete random variable and a continuous random variable (4) 10. Who did better? Student A who got a 95 on an exam where the mean was 92 and the standard deviation was 15 or Student B who got an 85 on an exam whose mean was 75 with a standard deviation of 11 (both exams had normal distributions) SHOW WORK