9) The test scores for the exam in Statistics class have a mean of 78 points and standard deviation of 9 pts. A student is randomly selected. Assuming the scores are normally distributed. Please draw a normal distribution graph demonstrating mean, standard deviation and percentage distribution in detail. ( 4 pts) Please find following probabilities/percentages that score is: (5 pts) (a) More than 96 points. (b) Between 87 and 96 points; (c) Less than 69 points (d) If there are 70 students in that class, how many students have between 78 - 96 points score