7. You are conducting a study into alcohol consumption among students at BCIT. You have determined the average alcohol consumption is 10 drinks with a standard deviation of three drinks. Assume the distribution of student drinkers is approximately bell shaped. a) Find the z score for a student who drinks 16 drinks per week. b) Approximately what percentage of students drink between 4 and 16 drinks? c) At least what percentage of students drink between 1 and 19 drinks per week if the distribution is not bell shaped? d) Would you expect this distribution to be bell shaped, explain? e) What is the minimum number of drinks a student must consume per week to be an outlier on the high side?