3.27 Underage drinking, Part I1: We learned in Exercise 3.25 that about 69.7% of 1820 year olds consumed alcoholic beverages in 2008. We now consider a random sample of fifty 1820 year olds. (a) How manv people would you expect to have consumed alcoholic beverage9? (round to one decimal place) What is the standard deviation? (round to two decimal places) (b) Would you be surprised if there were 45 or more people who have consumed alcoholic beverages? Yes, 45 out of 50 is 90% No, it is just as likely as any other outcome No, 45 or more accounts for six different events .. this wouldn't be surprising Yes, 45 is more than two standard deviations above the expected value (mean) (c) What is the probabilitv that 45 or more people in this sample have consumed alcoholic beverages? (round to four decimal places)